| PFAS Compound |
Final MCL (Enforceable Levels) |
|---|---|
| PFOA | 4.0 ppt* |
| PFOS | 4.0 ppt |
| PFHxS | 10 ppt |
| PFNA | 10 ppt |
| HFPO-DA (commonly known as GenX Chemicals) |
10 ppt |
|
Mixtures containing two or more of PFHxS, PFNA, HFPO-DA, and PFBS |
1 (unitless) Hazard Index |
| For Compliance? | Regulating Agency |
County Served |
PWS | PWS Name | Facility ID | Facility Name | Sample Date | # Detections |
# MCL Exceedances* |
SelectDataSet | SelectRegAg | SelectCounty | SelectDetects | SelectExceed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 0 | 0 | No | State | 2Lane | N | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 0 | 0 | No | County | 1Tillamook | N | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 0 | 0 | No | County | 2Linn | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 0 | 0 | No | County | 1Clackamas | N | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 0 | 0 | No | County | 2Lane | N | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 12/12/2023 | 0 | 0 | Yes | State | 1Clatsop | N | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 11/21/2023 | 0 | 0 | Yes | County | 2Lane | N | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 0 | 0 | No | County | 2Jackson | N | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 10/23/2024 | 0 | 0 | Yes | State | 1Wasco | N | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 0 | 0 | No | County | 2Lane | N | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 07/17/2023 | 0 | 0 | Yes | State | 1Umatilla | N | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 04/10/2023 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 0 | 0 | No | State | 1Wallowa | N | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 0 | 0 | No | County | 2Linn | N | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 0 | 0 | No | State | 1Yamhill | N | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 0 | 0 | No | State | 1Umatilla | N | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 06/20/2023 | 0 | 0 | Yes | State | 2Jackson | N | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 05/16/2023 | 0 | 0 | Yes | County | 2Lane | N | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 0 | 0 | No | County | 1Multnomah | N | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 0 | 0 | No | State | 2Lane | N | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 0 | 0 | Yes | State | 1Morrow | N | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 10/04/2023 | 0 | 0 | Yes | State | 1Crook | N | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 2 | 2 | No | County | 2Linn | Y | Y |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 0 | 0 | No | State | 2Benton | N | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 0 | 0 | No | State | 1Polk | N | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 12/05/2023 | 0 | 0 | Yes | State | 2Benton | N | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 0 | 0 | No | County | 1Washington | N | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 0 | 0 | No | State | 1Clackamas | N | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/13/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 0 | 0 | No | County | 1Washington | N | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 05/06/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 0 | 0 | No | County | 2Lane | N | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 06/21/2023 | 0 | 0 | Yes | State | 2Coos | N | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 0 | 0 | No | County | 1Sherman | N | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 05/21/2024 | 0 | 0 | Yes | State | 2Lane | N | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 0 | 0 | No | County | 1Union | N | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 04/22/2024 | 0 | 0 | Yes | State | 1Wasco | N | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 0 | 0 | No | State | 1Multnomah | N | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 0 | 0 | No | State | 2Lane | N | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 04/12/2023 | 0 | 0 | Yes | State | 2Douglas | N | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 08/21/2023 | 0 | 0 | Yes | State | 2Lane | N | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 05/22/2024 | 0 | 0 | Yes | State | 2Coos | N | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 0 | 0 | No | State | 1Marion | N | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 09/19/2023 | 0 | 0 | Yes | State | 1Deschutes | N | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 09/23/2024 | 3 | 0 | Yes | State | 1Multnomah | Y | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 10/03/2023 | 0 | 0 | Yes | State | 1Clackamas | N | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 0 | 0 | No | State | 1Morrow | N | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 01/10/2023 | 0 | 0 | Yes | State | 1Clackamas | N | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 09/19/2023 | 0 | 0 | Yes | State | 1Clatsop | N | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 0 | 0 | No | State | 2Lane | N | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 03/21/2023 | 0 | 0 | Yes | State | 2Coos | N | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 05/16/2023 | 2 | 1 | Yes | County | 2Lane | Y | Y |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 1 | 1 | No | County | 2Klamath | Y | Y |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 0 | 0 | No | County | 2Lane | N | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-E | EP FOR BLAHA WELL (L57271) | 04/17/2025 | 0 | 0 | Yes | County | 1Columbia | N | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 0 | 0 | No | County | 2Klamath | N | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 0 | 0 | No | State | 1Washington | N | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 0 | 0 | Yes | State | 1Morrow | N | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 07/24/2024 | 1 | 0 | Yes | State | 1Multnomah | Y | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 07/17/2023 | 0 | 0 | Yes | State | 2Douglas | N | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 10/04/2023 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 0 | 0 | No | County | 1Washington | N | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 10/23/2024 | 0 | 0 | Yes | State | 1Wasco | N | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 03/21/2023 | 0 | 0 | Yes | State | 1Clatsop | N | N |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 06/17/2024 | 4 | 3 | Yes | County | 2Jackson | Y | Y |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 10/04/2023 | 0 | 0 | Yes | State | 1Polk | N | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 4 | 2 | No | County | 1Multnomah | Y | Y |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 10/16/2023 | 0 | 0 | Yes | State | 2Benton | N | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 10/04/2023 | 1 | 1 | Yes | State | 1Yamhill | Y | Y |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 0 | 0 | No | County | 1Marion | N | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 2 | 2 | No | County | 2Linn | Y | Y |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 0 | 0 | No | County | 2Josephine | N | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 11/20/2023 | 1 | 0 | Yes | State | 1Polk | Y | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 02/11/2025 | 0 | 0 | Yes | State | 1Clatsop | N | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 0 | 0 | No | State | 1Yamhill | N | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 0 | 0 | No | County | 2Lane | N | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 0 | 0 | No | State | 1Umatilla | N | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 0 | 0 | Yes | State | 1Morrow | N | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 08/22/2023 | 0 | 0 | Yes | State | 2Benton | N | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 04/24/2024 | 0 | 0 | Yes | State | 1Jefferson | N | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 1 | 1 | No | County | 1Tillamook | Y | Y |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 0 | 0 | No | County | 1Deschutes | N | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 1 | 1 | No | County | 2Lane | Y | Y |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 03/13/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 0 | 0 | No | County | 1Deschutes | N | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 07/23/2024 | 0 | 0 | Yes | State | 2Curry | N | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 0 | 0 | No | State | 1Umatilla | N | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 10/04/2023 | 0 | 0 | Yes | State | 1Crook | N | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 0 | 0 | Yes | State | 1Clatsop | N | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-D | EP FOR ELLISON WELL | 04/17/2025 | 0 | 0 | Yes | County | 1Columbia | N | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 08/23/2023 | 0 | 0 | Yes | State | 2Douglas | N | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 08/21/2023 | 2 | 0 | Yes | State | 1Deschutes | Y | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 10/04/2023 | 0 | 0 | Yes | State | 1Crook | N | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 0 | 0 | No | County | 2Jackson | N | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 0 | 0 | No | State | 2Lincoln | N | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 04/17/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 0 | 0 | Yes | County | 1Washington | N | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 04/11/2023 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 11/21/2023 | 0 | 0 | Yes | County | 2Lane | N | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 0 | 0 | No | State | 1Harney | N | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 0 | 0 | No | County | 2Lane | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 0 | 0 | No | County | 1Clackamas | N | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 04/24/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 08/20/2024 | 0 | 0 | Yes | State | 2Lane | N | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 0 | 0 | Yes | State | 2Lincoln | N | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 0 | 0 | No | County | 1Washington | N | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 1 | 1 | No | County | 2Linn | Y | Y |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 0 | 0 | No | State | 1Umatilla | N | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 09/17/2024 | 0 | 0 | Yes | State | 1Clackamas | N | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 0 | 0 | Yes | State | 1Morrow | N | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 05/15/2023 | 0 | 0 | Yes | State | 2Lane | N | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 11/21/2023 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 1 | 1 | No | State | 1Umatilla | Y | Y |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 6 | 2 | No | County | 1Marion | Y | Y |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 1 | 1 | No | County | 2Lane | Y | Y |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 0 | 0 | No | County | 2Linn | N | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 08/22/2023 | 1 | 0 | Yes | State | 1Columbia | Y | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 02/20/2024 | 0 | 0 | Yes | State | 2Coos | N | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 12/18/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 12/12/2023 | 0 | 0 | Yes | State | 2Jackson | N | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 0 | 0 | Yes | County | 1Multnomah | N | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 0 | 0 | No | County | 1Washington | N | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 0 | 0 | No | State | 2Douglas | N | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 09/17/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 0 | 0 | No | County | 1Marion | N | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 0 | 0 | No | County | 1Marion | N | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 04/17/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 05/09/2023 | 0 | 0 | Yes | State | 2Benton | N | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 12/09/2024 | 0 | 0 | Yes | State | 2Lake | N | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 0 | 0 | No | State | 2Lincoln | N | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 02/04/2025 | 0 | 0 | Yes | County | 1Deschutes | N | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 1 | 1 | No | County | 2Josephine | Y | Y |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 1 | 1 | No | County | 2Linn | Y | Y |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 0 | 0 | No | County | 1Clackamas | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 0 | 0 | No | County | 1Clackamas | N | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 02/22/2023 | 0 | 0 | Yes | State | 1Columbia | N | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 03/15/2023 | 0 | 0 | Yes | State | 1Umatilla | N | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-C | EP FOR PANORAMA WELL | 04/17/2025 | 0 | 0 | Yes | County | 1Columbia | N | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 08/23/2023 | 0 | 0 | Yes | State | 2Benton | N | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 0 | 0 | No | State | 1Multnomah | N | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/21/2023 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 0 | 0 | No | County | 2Klamath | N | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 03/13/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 0 | 0 | No | State | 2Jackson | N | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 1 | 1 | No | County | 2Linn | Y | Y |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 01/11/2023 | 0 | 0 | Yes | State | 1Umatilla | N | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 07/18/2023 | 0 | 0 | Yes | State | 1Clackamas | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 0 | 0 | No | County | 1Clackamas | N | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 11/20/2023 | 0 | 0 | Yes | State | 1Columbia | N | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 06/19/2024 | 0 | 0 | Yes | State | 2Linn | N | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 0 | 0 | No | State | 2Douglas | N | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 11/20/2024 | 0 | 0 | Yes | State | 2Lane | N | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 04/11/2023 | 0 | 0 | Yes | State | 1Crook | N | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 0 | 0 | No | County | 1Crook | N | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 0 | 0 | Yes | State | 1Washington | N | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 10/04/2023 | 0 | 0 | Yes | State | 2Lincoln | N | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 0 | 0 | No | County | 1Crook | N | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 05/16/2023 | 0 | 0 | Yes | County | 2Lane | N | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 03/22/2023 | 0 | 0 | Yes | State | 2Jackson | N | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 0 | 0 | No | County | 2Klamath | N | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 0 | 0 | No | State | 2Douglas | N | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 0 | 0 | No | County | 1Columbia | N | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 0 | 0 | No | State | 1Tillamook | N | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 0 | 0 | Yes | County | 1Clackamas | N | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 0 | 0 | No | State | 1Crook | N | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 0 | 0 | No | County | 1Marion | N | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 0 | 0 | No | Agriculture | 1Marion | N | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 0 | 0 | No | County | 1Marion | N | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 02/20/2023 | 0 | 0 | Yes | State | 1Deschutes | N | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 0 | 0 | No | County | 1Washington | N | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 0 | 0 | No | State | 1Clackamas | N | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 0 | 0 | No | County | 1Hood River | N | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 0 | 0 | Yes | State | 1Morrow | N | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 02/21/2024 | 0 | 0 | Yes | State | 1Jefferson | N | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 10/04/2023 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 0 | 0 | No | County | 1Multnomah | N | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 07/17/2023 | 0 | 0 | Yes | State | 1Umatilla | N | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 08/19/2024 | 0 | 0 | Yes | State | 1Jefferson | N | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 04/11/2023 | 0 | 0 | Yes | State | 1Polk | N | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 03/22/2023 | 0 | 0 | Yes | State | 1Deschutes | N | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 04/10/2023 | 0 | 0 | Yes | State | 2Lincoln | N | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 0 | 0 | No | State | 2Linn | N | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 11/20/2023 | 1 | 0 | Yes | State | 1Polk | Y | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 0 | 0 | No | State | 2Douglas | N | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 04/11/2023 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 0 | 0 | No | County | 1Marion | N | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 0 | 0 | No | County | 1Union | N | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 03/13/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 08/19/2024 | 0 | 0 | Yes | State | 1Jefferson | N | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 1 | 1 | No | County | 1Tillamook | Y | Y |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 10/23/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 08/08/2023 | 0 | 0 | Yes | State | 1Crook | N | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 04/12/2023 | 0 | 0 | Yes | State | 1Clackamas | N | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 08/19/2024 | 0 | 0 | Yes | State | 2Coos | N | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 0 | 0 | No | County | 2Lane | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 0 | 0 | No | County | 1Clackamas | N | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 03/22/2023 | 0 | 0 | Yes | State | 1Deschutes | N | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 0 | 0 | No | State | 1Harney | N | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 09/27/2023 | 0 | 0 | Yes | State | 2Jackson | N | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 2 | 2 | No | County | 2Linn | Y | Y |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 0 | 0 | No | County | 2Klamath | N | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 0 | 0 | No | State | 1Clackamas | N | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 1 | 1 | No | County | 2Linn | Y | Y |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 10/04/2023 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 0 | 0 | Yes | County | 1Columbia | N | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 0 | 0 | No | County | 2Douglas | N | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 10/23/2024 | 2 | 0 | Yes | State | 1Wasco | Y | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 10/03/2023 | 0 | 0 | Yes | State | 2Lincoln | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 0 | 0 | No | County | 1Clackamas | N | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 0 | 0 | Yes | County | 1Clackamas | N | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 05/16/2023 | 0 | 0 | Yes | County | 2Lane | N | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 11/20/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 03/11/2024 | 0 | 0 | Yes | State | 1Clackamas | N | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 01/24/2024 | 3 | 0 | Yes | State | 1Multnomah | Y | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 01/09/2023 | 0 | 0 | Yes | State | 1Umatilla | N | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 0 | 0 | No | County | 1Washington | N | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 09/17/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 04/23/2024 | 0 | 0 | Yes | State | 1Clatsop | N | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 05/17/2023 | 0 | 0 | Yes | State | 1Marion | N | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 0 | 0 | No | State | 2Douglas | N | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 11/21/2023 | 0 | 0 | Yes | County | 2Lane | N | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 0 | 0 | No | County | 1Washington | N | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 08/22/2023 | 0 | 0 | Yes | State | 2Benton | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 0 | 0 | No | County | 1Clackamas | N | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 07/18/2023 | 0 | 0 | Yes | State | 2Lincoln | N | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 0 | 0 | No | State | 1Umatilla | N | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 07/18/2023 | 0 | 0 | Yes | State | 2Lincoln | N | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 02/28/2023 | 0 | 0 | Yes | State | 2Benton | N | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 4 | 2 | No | County | 1Washington | Y | Y |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 02/04/2025 | 0 | 0 | Yes | County | 1Deschutes | N | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 0 | 0 | No | County | 1Tillamook | N | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 04/22/2024 | 0 | 0 | Yes | State | 1Wasco | N | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 09/11/2024 | 0 | 0 | Yes | State | 1Multnomah | N | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 1 | 1 | No | County | 1Multnomah | Y | Y |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 0 | 0 | No | County | 2Klamath | N | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 02/22/2023 | 0 | 0 | Yes | State | 1Columbia | N | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 0 | 0 | No | State | 1Polk | N | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 10/18/2023 | 0 | 0 | Yes | State | 1Columbia | N | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 0 | 0 | No | State | 1Umatilla | N | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 0 | 0 | No | Agriculture | 1Marion | N | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 01/23/2023 | 0 | 0 | Yes | State | 1Polk | N | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 06/20/2023 | 0 | 0 | Yes | State | 1Clatsop | N | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 04/24/2024 | 0 | 0 | Yes | State | 1Baker | N | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 0 | 0 | No | County | 1Columbia | N | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 12/02/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 08/27/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 0 | 0 | No | State | 2Jackson | N | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 10/30/2024 | 0 | 0 | Yes | State | 1Baker | N | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 01/09/2023 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 0 | 0 | No | State | 1Tillamook | N | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 0 | 0 | No | State | 1Gilliam | N | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 06/21/2023 | 0 | 0 | Yes | State | 2Klamath | N | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 01/22/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 10/23/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 0 | 0 | No | County | 2Lane | N | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 1 | 1 | No | County | 2Lane | Y | Y |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 03/22/2023 | 0 | 0 | Yes | State | 1Deschutes | N | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 0 | 0 | No | State | 1Grant | N | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 08/27/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 09/19/2023 | 0 | 0 | Yes | State | 1Deschutes | N | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 0 | 0 | No | State | 1Multnomah | N | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 0 | 0 | No | County | 2Lane | N | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 0 | 0 | No | State | 1Malheur | N | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 08/26/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 10/04/2023 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 0 | 0 | No | County | 2Linn | N | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 1 | 1 | No | County | 2Lane | Y | Y |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 0 | 0 | No | State | 1Wheeler | N | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 0 | 0 | No | County | 2Klamath | N | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 0 | 0 | No | County | 1Washington | N | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 11/19/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 02/21/2023 | 0 | 0 | Yes | State | 2Benton | N | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 04/11/2023 | 1 | 1 | Yes | State | 1Yamhill | Y | Y |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 04/23/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 02/20/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 0 | 0 | No | County | 1Washington | N | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 04/11/2023 | 0 | 0 | Yes | State | 1Crook | N | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 0 | 0 | No | State | 1Columbia | N | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 12/18/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 0 | 0 | Yes | County | 1Clackamas | N | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 0 | 0 | No | County | 2Linn | N | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 0 | 0 | No | State | 1Umatilla | N | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 0 | 0 | No | County | 1Wasco | N | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 0 | 0 | Yes | County | 1Clackamas | N | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 09/18/2023 | 0 | 0 | Yes | State | 2Coos | N | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 0 | 0 | No | State | 1Harney | N | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 0 | 0 | No | County | 1Marion | N | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 01/10/2023 | 0 | 0 | Yes | State | 2Lincoln | N | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 05/16/2023 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 0 | 0 | No | County | 1Marion | N | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 0 | 0 | No | State | 1Baker | N | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 06/17/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 0 | 0 | No | County | 1Columbia | N | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 10/04/2023 | 0 | 0 | Yes | State | 1Crook | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 0 | 0 | No | County | 1Clackamas | N | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 08/19/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 0 | 0 | No | County | 2Lane | N | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 0 | 0 | No | State | 1Multnomah | N | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 01/10/2023 | 0 | 0 | Yes | State | 2Lincoln | N | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 0 | 0 | No | State | 1Deschutes | N | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 0 | 0 | No | State | 2Linn | N | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 01/09/2023 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 0 | 0 | No | Agriculture | 1Clackamas | N | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 09/17/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 0 | 0 | No | County | 2Klamath | N | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-A | EP FOR WARREN WELL | 04/17/2025 | 0 | 0 | Yes | County | 1Columbia | N | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 10/04/2023 | 0 | 0 | Yes | State | 2Linn | N | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 0 | 0 | No | State | 1Multnomah | N | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 0 | 0 | Yes | County | 1Deschutes | N | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 0 | 0 | No | County | 2Lane | N | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 02/21/2024 | 0 | 0 | Yes | State | 2Lane | N | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 0 | 0 | No | State | 2Douglas | N | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-F | EP FOR WELL #10 | 04/11/2023 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 0 | 0 | No | County | 1Wasco | N | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 04/22/2024 | 0 | 0 | Yes | State | 1Wasco | N | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 0 | 0 | No | State | 1Clackamas | N | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 0 | 0 | No | County | 2Benton | N | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 0 | 0 | No | State | 1Multnomah | N | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 04/22/2024 | 0 | 0 | Yes | State | 1Wasco | N | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 05/28/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 0 | 0 | No | County | 1Clackamas | N | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 0 | 0 | No | County | 2Lane | N | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 0 | 0 | No | County | 2Lane | N | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 07/24/2024 | 0 | 0 | Yes | State | 1Multnomah | N | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 0 | 0 | No | County | 2Josephine | N | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 0 | 0 | No | County | 2Lane | N | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 0 | 0 | No | County | 2Linn | N | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 11/20/2023 | 0 | 0 | Yes | State | 2Benton | N | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 0 | 0 | No | Agriculture | 1Umatilla | N | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 1 | 0 | No | County | 1Multnomah | Y | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 05/16/2023 | 1 | 0 | Yes | State | 1Polk | Y | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 0 | 0 | No | County | 2Jackson | N | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 04/11/2023 | 0 | 0 | Yes | State | 1Crook | N | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 04/02/2025 | 0 | 0 | Yes | State | 1Washington | N | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 03/20/2023 | 0 | 0 | Yes | State | 2Linn | N | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 11/20/2023 | 0 | 0 | Yes | State | 2Lane | N | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 3 | 1 | No | County | 1Marion | Y | Y |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 12/11/2023 | 0 | 0 | Yes | State | 2Klamath | N | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 11/20/2024 | 0 | 0 | Yes | State | 2Lane | N | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 02/20/2023 | 0 | 0 | Yes | State | 1Deschutes | N | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 0 | 0 | No | State | 1Multnomah | N | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 0 | 0 | Yes | State | 1Columbia | N | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 0 | 0 | No | County | 1Washington | N | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 0 | 0 | No | State | 2Douglas | N | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 09/18/2024 | 0 | 0 | Yes | State | 2Linn | N | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 1 | 1 | No | State | 1Harney | Y | Y |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/27/2023 | 0 | 0 | Yes | State | 1Polk | N | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 01/24/2024 | 0 | 0 | Yes | State | 2Curry | N | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 0 | 0 | No | State | 1Umatilla | N | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 0 | 0 | Yes | County | 1Multnomah | N | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 05/22/2024 | 0 | 0 | Yes | State | 2Lake | N | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 0 | 0 | No | County | 1Marion | N | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 0 | 0 | No | County | 2Linn | N | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 0 | 0 | No | County | 2Linn | N | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 0 | 0 | Yes | County | 1Clackamas | N | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 10/23/2024 | 0 | 0 | Yes | State | 1Wasco | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 0 | 0 | No | County | 1Clackamas | N | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 05/22/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 0 | 0 | No | County | 2Linn | N | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 0 | 0 | No | County | 2Linn | N | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 0 | 0 | No | County | 1Marion | N | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 0 | 0 | No | State | 2Douglas | N | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 04/11/2023 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 07/22/2024 | 0 | 0 | Yes | State | 2Douglas | N | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01093 | USFS TIMBER LAKE JCC | EP-C | EP FOR WELL | 04/07/2025 | 0 | 0 | Yes | County | 1Clackamas | N | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 0 | 0 | Yes | State | 1Morrow | N | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 1 | 1 | No | County | 2Jackson | Y | Y |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 0 | 0 | No | County | 1Union | N | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 01/24/2024 | 0 | 0 | Yes | State | 1Baker | N | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 0 | 0 | No | County | 1Marion | N | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 0 | 0 | No | State | 1Columbia | N | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 0 | 0 | Yes | County | 1Deschutes | N | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 3 | 2 | No | County | 2Linn | Y | Y |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 0 | 0 | No | County | 2Linn | N | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 0 | 0 | No | County | 2Jackson | N | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 03/22/2023 | 0 | 0 | Yes | State | 1Deschutes | N | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 0 | 0 | No | County | 1Multnomah | N | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 0 | 0 | No | County | 2Lane | N | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 0 | 0 | No | State | 1Umatilla | N | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 0 | 0 | No | Agriculture | 1Umatilla | N | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 05/22/2024 | 0 | 0 | Yes | State | 2Lane | N | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 0 | 0 | No | County | 2Lane | N | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 03/26/2024 | 0 | 0 | Yes | State | 1Clatsop | N | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 0 | 0 | No | State | 2Coos | N | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 0 | 0 | No | County | 1Washington | N | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 08/21/2023 | 0 | 0 | Yes | State | 1Deschutes | N | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 0 | 0 | No | Agriculture | 1Clackamas | N | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 10/21/2024 | 0 | 0 | Yes | State | 1Clatsop | N | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 0 | 0 | No | County | 1Washington | N | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 06/17/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 10/04/2023 | 0 | 0 | Yes | State | 1Crook | N | N |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 12/16/2024 | 4 | 3 | Yes | County | 2Jackson | Y | Y |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 08/22/2023 | 1 | 0 | Yes | State | 1Columbia | Y | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 07/23/2024 | 0 | 0 | Yes | State | 1Clatsop | N | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 0 | 0 | Yes | County | 1Clackamas | N | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 01/24/2024 | 1 | 0 | Yes | State | 1Multnomah | Y | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 01/30/2024 | 1 | 1 | Yes | County | 2Lane | Y | Y |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 11/21/2023 | 0 | 0 | Yes | County | 2Lane | N | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 1 | 0 | No | County | 2Josephine | Y | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 04/11/2023 | 0 | 0 | Yes | State | 2Lincoln | N | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 01/30/2024 | 2 | 1 | Yes | County | 2Lane | Y | Y |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 0 | 0 | No | County | 2Klamath | N | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 11/19/2024 | 0 | 0 | Yes | State | 2Coos | N | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 01/30/2024 | 0 | 0 | Yes | State | 1Marion | N | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 0 | 0 | No | State | 2Linn | N | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 0 | 0 | No | County | 2Jackson | N | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 08/13/2024 | 0 | 0 | Yes | State | 1Baker | N | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 0 | 0 | No | State | 1Yamhill | N | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 0 | 0 | No | County | 1Yamhill | N | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 0 | 0 | Yes | State | 1Morrow | N | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 12/11/2023 | 0 | 0 | Yes | State | 2Coos | N | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/20/2023 | 0 | 0 | Yes | State | 2Lane | N | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 0 | 0 | No | State | 1Umatilla | N | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 0 | 0 | No | County | 1Marion | N | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 10/16/2023 | 0 | 0 | Yes | State | 2Benton | N | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 04/11/2023 | 0 | 0 | Yes | State | 1Crook | N | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 0 | 0 | No | State | 2Jackson | N | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 1 | 1 | No | County | 2Lane | Y | Y |
| Yes | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 05/06/2025 | 0 | 0 | Yes | State | 2Linn | N | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 0 | 0 | No | County | 2Linn | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 0 | 0 | No | County | 1Clackamas | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 0 | 0 | No | County | 1Clackamas | N | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 0 | 0 | No | State | 1Jefferson | N | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 0 | 0 | No | State | 1Marion | N | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 08/21/2023 | 0 | 0 | Yes | State | 1Deschutes | N | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 0 | 0 | Yes | State | 1Morrow | N | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 02/21/2023 | 0 | 0 | Yes | State | 2Benton | N | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 0 | 0 | No | State | 2Jackson | N | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 0 | 0 | No | County | 1Multnomah | N | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 09/19/2023 | 0 | 0 | Yes | State | 1Deschutes | N | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 12/17/2024 | 0 | 0 | Yes | State | 1Clackamas | N | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 0 | 0 | No | County | 1Union | N | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 0 | 0 | No | County | 1Washington | N | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 0 | 0 | No | County | 2Lane | N | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 0 | 0 | No | County | 1Clackamas | N | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 0 | 0 | No | County | 2Jackson | N | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 03/13/2024 | 0 | 0 | Yes | State | 1Yamhill | N | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 0 | 0 | No | State | 2Jackson | N | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-B | EP FOR GORIN WELL | 04/17/2025 | 0 | 0 | Yes | County | 1Columbia | N | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 05/16/2023 | 1 | 0 | Yes | State | 1Polk | Y | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 03/12/2024 | 0 | 0 | Yes | State | 2Linn | N | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 11/20/2023 | 0 | 0 | Yes | State | 2Benton | N | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 07/17/2023 | 0 | 0 | Yes | State | 1Umatilla | N | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 06/17/2024 | 0 | 0 | Yes | State | 1Clackamas | N | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 0 | 0 | Yes | County | 1Multnomah | N | N |
| For Compliance? | Regulating Agency |
County Served |
PWS | PWS Name | Facility ID | Facility Name | Sample Date | Received Date | Analyte Abbreviation |
Analyte Name |
Result (ng/L) |
MRL (ng/L) | Sample ID | SelectDataSet | SelectRegAg | SelectCounty | SelectAnalyte | SelectDetects |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2814 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2826 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 108 | 2112014-01 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.6 | 2112014-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 108 | 2112014-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.5 | 2202014-01 | No | County | 1Clackamas | 2801 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2802 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2829 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 49.0 | 2201151-01 | No | County | 2Benton | 2823 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2806M | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 122 | 2201151-01 | No | County | 2Benton | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 109 | 2202014-01 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2809 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.5 | 2202014-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 110 | 2112024-01RE1 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.8 | 2202014-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.8 | 2112024-01 | No | County | 1Clackamas | 2801 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.9 | 2112024-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.8 | 2112024-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2112022-01 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.5 | 2112022-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2809 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2820 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2815 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 122 | 2201151-01 | No | County | 2Benton | 2816M | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2808 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2809 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2803M | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2805M | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.1 | 2112014-01 | No | County | 1Clackamas | 2801 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.1 | 2112014-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.0 | 2112027-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.0 | 2112027-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2112021-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2112021-01 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.8 | 2112021-01 | No | County | 1Clackamas | 2801 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.9 | 2112021-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2112023-01 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2809 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.5 | 2112023-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.0 | 2112023-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.5 | 2112025-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 107 | 2112026-01RE1 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2809 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 110 | 2112024-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.5 | 2112022-01 | No | County | 1Clackamas | 2801 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2809 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.3 | 2112022-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2112022-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.0 | 2112027-01 | No | County | 1Clackamas | 2801 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.0 | 2112023-01 | No | County | 1Clackamas | 2801 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2112023-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.7 | 2112025-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2112025-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2112025-01RE1 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.8 | 2305040-01 | No | County | 1Clackamas | 2801 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2813 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2821 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2822 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2819 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 49.0 | 2201151-01 | No | County | 2Benton | 2801 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2807 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 24.5 | 2201151-01 | No | County | 2Benton | 2825 | N |
| No | BENTON COUNTY | Benton | 00977 | JACKSON CREEK WATER ASSOCIATION | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 12.2 | 2201151-01 | No | County | 2Benton | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2809 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.8 | 2112014-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.9 | 2202014-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 00140 | BARLOW TRAIL ESTATES | EP-A | EP FOR WELLS | 02/01/2022 | 03/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 109 | 2202014-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 00547 | MULINO WATER DISTRICT | EP-B | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.0 | 2112024-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFBA | Perfluorobutanoic acid | ND | 21.6 | 2305040-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFDA | Perfluorodecanoic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.6 | 2305040-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFOA | Perfluorooctanoic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 44.5 | 2110239-01 | No | County | 1Clackamas | 2801 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.3 | 2110239-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2809 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.4 | 2112018-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.8 | 2112018-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2112019-01 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.3 | 2112019-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2112019-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.6 | 2110256-01 | No | County | 1Clackamas | 2801 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.3 | 2110256-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2805M | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2813 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2815 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2804M | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 109 | 2201156-01 | No | County | 1Columbia | 2816M | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2819 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2807 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2808 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2809 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2803M | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2805M | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2821 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2814 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.5 | 2305037-01 | No | County | 1Columbia | 2816M | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 23.0 | 2305037-01 | No | County | 1Columbia | 2819 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2829 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2809 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2805M | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 23.0 | 2305037-01 | No | County | 1Columbia | 2824 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2815 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2808 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2809 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2201098-01 | No | County | 1Crook | 2824 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2812 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2821 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2822 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2829 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2809 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2201097-01 | No | County | 1Crook | 2824 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.8 | 2110242-01 | No | Agriculture | 1Clackamas | 2801 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2809 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.8 | 2110242-01 | No | Agriculture | 1Clackamas | 2823 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2812 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2820 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.0 | 2202013-01 | No | Agriculture | 1Clackamas | 2825 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.1 | 2202013-01 | No | Agriculture | 1Clackamas | 2823 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2806M | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2815 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.2 | 2110243-01 | No | Agriculture | 1Marion | 2801 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2803M | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2828 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2812 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2821 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2814 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 115 | 2201153-01 | No | Agriculture | 1Marion | 2816M | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2802 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2809 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2803M | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 23.0 | 2201153-01 | No | Agriculture | 1Marion | 2825 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 45.9 | 2201153-01 | No | Agriculture | 1Marion | 2823 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2806M | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2805M | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 115 | 2201153-01 | No | Agriculture | 1Marion | 2824 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2812 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2813 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2822 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2808 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2826 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2806M | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 107 | 2111098-01 | No | Agriculture | 1Umatilla | 2824 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2812 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2822 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.4 | 2111102-01 | No | Agriculture | 1Umatilla | 2801 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2804M | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2111102-01 | No | Agriculture | 1Umatilla | 2824 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2813 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2820 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.3 | 2202022-01 | No | County | 1Deschutes | 2801 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2802 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.3 | 2202022-01 | No | County | 1Deschutes | 2823 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2805M | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2813 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2821 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2820 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2808 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2806M | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2821 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2820 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2822 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2808 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.8 | 2201007-01 | No | County | 2Douglas | 2823 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2804M | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2201099-01 | No | County | 1Hood River | 2816M | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2807 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2802 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2829 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.9 | 2201099-01 | No | County | 1Hood River | 2825 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2804M | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2821 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2820 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2814 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2807 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2809 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2803M | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2805M | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2828 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2813 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2201008-01 | No | County | 2Jackson | 2816M | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2819 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2829 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2806M | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2815 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2112027-01RE1 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.5 | 2112025-01 | No | County | 1Clackamas | 2801 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2809 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.9 | 2112026-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 107 | 2112026-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.6 | 2305040-01 | No | County | 1Clackamas | 2827 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2305040-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2809 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFPeA | Perfluoropentanoic acid | ND | 21.6 | 2305040-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 111 | 2110239-01 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2809 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2829 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.7 | 2201028-01 | No | County | 2Jackson | 2825 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.4 | 2201028-01 | No | County | 2Jackson | 2823 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2201028-01 | No | County | 2Jackson | 2824 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2812 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2820 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2807 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2808 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2828 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2822 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2815 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2819 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.5 | 2201029-01 | No | County | 2Jackson | 2801 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2805M | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2828 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2201005-01 | No | County | 2Jackson | 2816M | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2826 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2829 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.8 | 2201005-01 | No | County | 2Jackson | 2823 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2201005-01 | No | County | 2Jackson | 2824 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2812 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2813 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2820 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2814 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2829 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.7 | 2304133-01 | No | County | 2Jackson | 2803M | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 23.5 | 2304133-01 | No | County | 2Jackson | 2823 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2805M | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2828 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2201009-01 | No | County | 2Josephine | 2816M | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2807 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2826 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2803M | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2805M | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.7 | 2304135-01 | No | County | 2Josephine | 2816M | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2826 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.3 | 2304135-01 | No | County | 2Josephine | 2825 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.3 | 2304135-01 | No | County | 2Josephine | 2823 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2828 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2812 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2822 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2815 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2819 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2808 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2828 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2812 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2821 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2820 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 12.0 | 2304136-01 | No | County | 2Josephine | 2816M | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 24.0 | 2304136-01 | No | County | 2Josephine | 2827 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFBA | Perfluorobutanoic acid | ND | 24.0 | 2304136-01 | No | County | 2Josephine | 2819 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFBS | Perfluorobutanesulfonic acid | 12.4 | 12.0 | 2304136-01 | No | County | 2Josephine | 2801 | D |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2829 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFOA | Perfluorooctanoic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2806M | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2812 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2813 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2808 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.5 | 2201116-01 | No | County | 2Klamath | 2825 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.0 | 2201116-01 | No | County | 2Klamath | 2823 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2806M | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2201116-01 | No | County | 2Klamath | 2824 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2821 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2822 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2814 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2815 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2819 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2807 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2806M | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2813 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2822 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2815 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2202021-01 | No | County | 2Klamath | 2816M | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2819 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2808 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2826 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2802 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2829 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2809 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2804M | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2821 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2808 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2829 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2803M | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2202021-03 | No | County | 2Klamath | 2824 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2814 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2826 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2803M | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2201107-01 | No | County | 2Klamath | 2824 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2821 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2815 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2807 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2808 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2803M | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2804M | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2806M | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2201117-01 | No | County | 2Klamath | 2824 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2820 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2822 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2814 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 9.77 | 2305123-01 | No | County | 2Klamath | 2816M | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFBA | Perfluorobutanoic acid | ND | 19.5 | 2305123-01 | No | County | 2Klamath | 2819 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2829 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 19.5 | 2305123-01 | No | County | 2Klamath | 2823 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFOA | Perfluorooctanoic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2806M | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFOS | Perfluorooctanesulfonic acid | 5.78 | 3.91 | 2305123-01 | No | County | 2Klamath | 2805M | DE |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2815 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.9 | 2201122-01 | No | County | 2Klamath | 2801 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2808 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2826 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2803M | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2828 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2819 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2804M | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2806M | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2812 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.6 | 2304134-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 23.3 | 2304134-01 | No | County | 2Lane | 2827 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.6 | 2304134-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFNA | Perfluorononanoic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFBA | Perfluorobutanoic acid | ND | 21.5 | 2304138-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.5 | 2304138-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFOA | Perfluorooctanoic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2112076-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.4 | 2112076-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 115 | 2112078-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 46.0 | 2112078-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 115 | 2112078-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.5 | 2201119-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2112071-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2112071-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFDA | Perfluorodecanoic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFOA | Perfluorooctanoic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFPeA | Perfluoropentanoic acid | ND | 22.7 | 2304139-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.0 | 2112072-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.7 | 2112075-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.0 | 2304143-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.6 | 2112019-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2828 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2822 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2814 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2819 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2807 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2826 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2829 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.9 | 2201155-01 | No | County | 1Columbia | 2825 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2805M | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2812 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2820 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2815 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.5 | 2201156-01 | No | County | 1Columbia | 2801 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2826 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2802 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.8 | 2201156-01 | No | County | 1Columbia | 2825 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2806M | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2820 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 23.0 | 2305037-01 | No | County | 1Columbia | 2827 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.5 | 2305037-01 | No | County | 1Columbia | 2801 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.5 | 2305037-01 | No | County | 1Columbia | 2808 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2802 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 23.0 | 2305037-01 | No | County | 1Columbia | 2825 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2806M | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2813 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2814 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.1 | 2201098-01 | No | County | 1Crook | 2801 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2802 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2803M | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2828 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2815 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2201097-01 | No | County | 1Crook | 2816M | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2807 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.1 | 2112077-03 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.1 | 2112077-03 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | 14 | 10.5 | 2112077-03 | No | County | 2Lane | 2805M | DE |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 20.8 | 2306019-01 | No | County | 2Lane | 2827 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.8 | 2306019-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFOS | Perfluorooctanesulfonic acid | 12.4 | 4.16 | 2306019-01 | No | County | 2Lane | 2805M | DE |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFPeA | Perfluoropentanoic acid | ND | 20.8 | 2306019-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.9 | 2112065-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.4 | 2112065-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.9 | 2112065-01 | No | County | 2Lane | 2823 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2826 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2803M | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2828 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2820 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2822 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2807 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 110 | 2110242-01 | No | Agriculture | 1Clackamas | 2824 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2828 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2821 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2814 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2808 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2822 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2110243-01 | No | Agriculture | 1Marion | 2816M | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2819 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2804M | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2806M | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2805M | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2820 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2826 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2828 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2819 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2805M | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 107 | 2111098-01RE1 | No | Agriculture | 1Umatilla | 2816M | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2813 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2821 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2820 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2815 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2807 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2826 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2803M | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.2 | 2111102-01 | No | Agriculture | 1Umatilla | 2825 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.4 | 2111102-01 | No | Agriculture | 1Umatilla | 2823 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2806M | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2822 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2815 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2819 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2829 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2828 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.3 | 2304140-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFDA | Perfluorodecanoic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.3 | 2304140-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.5 | 2304140-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFOA | Perfluorooctanoic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.4 | 2112066-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 112 | 2112069-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2829 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2812 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2822 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2819 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.0 | 2202022-03 | No | County | 1Deschutes | 2801 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2826 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2802 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.0 | 2202022-03 | No | County | 1Deschutes | 2825 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.0 | 2202022-03 | No | County | 1Deschutes | 2823 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2202022-03 | No | County | 1Deschutes | 2824 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2201007-01 | No | County | 2Douglas | 2816M | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2802 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2809 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2803M | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2806M | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2822 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2814 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.7 | 2201099-01 | No | County | 1Hood River | 2801 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2828 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2812 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 112 | 2112069-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.8 | 2201121-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 109 | 2201121-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 44.2 | 2201120-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2805M | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.6 | 2203060-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2829 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2813 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2808 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2802 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.8 | 2201010-01 | No | County | 2Jackson | 2825 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2804M | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2812 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2821 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2804M | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2812 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2814 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2201028-01 | No | County | 2Jackson | 2816M | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2819 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2829 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2803M | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2822 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2201031-01 | No | County | 2Jackson | 2816M | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.4 | 2201031-01 | No | County | 2Jackson | 2801 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2826 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2829 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2804M | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFOS | Perfluorooctanesulfonic acid | 18.6 | 10.1 | 2203060-01 | No | County | 2Linn | 2805M | DE |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.4 | 2304147-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2203059-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFHxS | Perfluorohexanesulfonic acid | 12.7 | 10.3 | 2203059-01 | No | County | 2Linn | 2803M | DE |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2822 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.2 | 2201031-01RE1 | No | County | 2Jackson | 2825 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2829 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2803M | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2804M | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2806M | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2812 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2813 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2821 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2820 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2814 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2815 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.8 | 2201005-01 | No | County | 2Jackson | 2801 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2808 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2828 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.7 | 2304133-01 | No | County | 2Jackson | 2815 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 23.5 | 2304133-01 | No | County | 2Jackson | 2825 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFNA | Perfluorononanoic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2804M | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFOA | Perfluorooctanoic acid | 5.93 | 4.69 | 2304133-01 | No | County | 2Jackson | 2806M | DE |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2812 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2819 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2809 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.1 | 2201009-01 | No | County | 2Josephine | 2823 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2828 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2820 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2822 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2814 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFBA | Perfluorobutanoic acid | ND | 21.3 | 2304135-01 | No | County | 2Josephine | 2819 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFOA | Perfluorooctanoic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2806M | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFOS | Perfluorooctanesulfonic acid | 5.62 | 4.26 | 2304135-01 | No | County | 2Josephine | 2805M | DE |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2821 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2201030-01 | No | County | 2Josephine | 2816M | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2807 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2804M | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2805M | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2814 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2826 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2802 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFNA | Perfluorononanoic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2804M | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2814 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2829 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFHxS | Perfluorohexanesulfonic acid | 12.5 | 10.6 | 2204034-01 | No | County | 2Linn | 2803M | DE |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.3 | 2204034-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 12.1 | 2304146-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.9 | 2201158-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.9 | 2201158-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.5 | 2305060-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2305060-01 | No | County | 2Linn | 2803M | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2809 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2804M | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2826 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2829 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2201108-01 | No | County | 2Klamath | 2824 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2812 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.8 | 2202021-01 | No | County | 2Klamath | 2801 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2807 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.9 | 2202021-01 | No | County | 2Klamath | 2825 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.8 | 2202021-01 | No | County | 2Klamath | 2823 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2202021-01 | No | County | 2Klamath | 2824 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2812 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2814 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.0 | 2202021-03 | No | County | 2Klamath | 2823 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2815 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2201107-01 | No | County | 2Klamath | 2816M | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2807 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2802 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2829 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2809 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2828 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2201117-01 | No | County | 2Klamath | 2825 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.6 | 2201117-01 | No | County | 2Klamath | 2823 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2805M | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2813 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2821 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFDA | Perfluorodecanoic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2807 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2826 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFHxA | Perfluorohexanoic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2809 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 9.77 | 2305123-01 | No | County | 2Klamath | 2803M | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 19.5 | 2305123-01 | No | County | 2Klamath | 2825 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFNA | Perfluorononanoic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2804M | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFUnA | Perfluoroundecanoic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2812 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2813 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2814 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 107 | 2201122-01 | No | County | 2Klamath | 2816M | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2829 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.9 | 2201122-01 | No | County | 2Klamath | 2823 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2805M | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2813 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2820 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2822 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2814 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.5 | 2201115-01 | No | County | 2Klamath | 2801 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2807 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2808 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2826 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2802 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2829 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2803M | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2201115-01 | No | County | 2Klamath | 2824 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 44.5 | 2112068-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFDA | Perfluorodecanoic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.2 | 2112067-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2112070-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.5 | 2304138-01 | No | County | 2Lane | 2827 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.7 | 2304138-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2304138-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 23.0 | 2112078-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFBA | Perfluorobutanoic acid | ND | 22.7 | 2304139-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.4 | 2304139-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.7 | 2304139-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFNA | Perfluorononanoic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2112072-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.5 | 2112072-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2112075-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 109 | 2112077-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | 13.2 | 10.9 | 2112077-01 | No | County | 2Lane | 2805M | DE |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.0 | 2304143-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 22.0 | 2304143-01 | No | County | 2Lane | 2827 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 22.0 | 2304143-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2112077-03 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2112077-03 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2306019-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.4 | 2306019-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.3 | 2304140-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.3 | 2304140-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 22.5 | 2304140-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFPeA | Perfluoropentanoic acid | ND | 22.5 | 2304140-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2814 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.7 | 2304144-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 23.4 | 2304144-01 | No | County | 2Linn | 2827 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 23.4 | 2304144-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2202020-03 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 22.1 | 2304144-03 | No | County | 2Linn | 2827 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 109 | 2201121-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 44.2 | 2201120-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2804M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.0 | 2304144-03 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.0 | 2304144-03 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 22.1 | 2304144-03 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2805M | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 112 | 2201109-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2826 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 110 | 2201120-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2812 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2203060-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 22.4 | 2304147-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.2 | 2304147-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.2 | 2304147-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | 5.92 | 4.49 | 2304147-01 | No | County | 2Linn | 2806M | DE |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 22.4 | 2304147-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.7 | 2203059-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 23.3 | 2304145-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 23.3 | 2304145-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.9 | 2201113-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.8 | 2201113-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 109 | 2201113-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.5 | 2112080-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.5 | 2112080-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2805M | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2112080-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.4 | 2203059-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFOS | Perfluorooctanesulfonic acid | 16.9 | 10.3 | 2203059-01 | No | County | 2Linn | 2805M | DE |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.6 | 2204034-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFOS | Perfluorooctanesulfonic acid | 16.3 | 10.6 | 2204034-01 | No | County | 2Linn | 2805M | DE |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2204034-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 24.1 | 2304146-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | 12.5 | 12.1 | 2304146-01 | No | County | 2Linn | 2803M | DE |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 110 | 2201158-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2305060-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2305060-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFNA | Perfluorononanoic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFOS | Perfluorooctanesulfonic acid | 5.92 | 4.21 | 2305060-01 | No | County | 2Linn | 2805M | DE |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFPeA | Perfluoropentanoic acid | ND | 21.1 | 2305060-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 108 | 2202020-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.2 | 2202020-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.2 | 2202020-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2805M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.7 | 2304144-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.7 | 2304144-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 23.4 | 2304144-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | 9.3 | 4.68 | 2304144-01 | No | County | 2Linn | 2805M | DE |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.0 | 2304144-03 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 22.1 | 2304144-03 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 108 | 2201149-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.3 | 2201149-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 44.9 | 2201109-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2805M | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 112 | 2201109-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.7 | 2304145-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.7 | 2304145-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.2 | 2112080-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 44.7 | 2201148-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.3 | 2201148-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.7 | 2201110-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.0 | 2304142-01 | No | County | 2Linn | 2827 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.0 | 2304142-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 124 | 2201152-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 124 | 2201152-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2812 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2802 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.6 | 2110245-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.8 | 2305039-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFBA | Perfluorobutanoic acid | ND | 21.5 | 2305039-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.5 | 2305039-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFNA | Perfluorononanoic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 114 | 2110200-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 45.5 | 2110200-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2809 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2803M | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.8 | 2110200-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2110203-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2806M | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 111 | 2110198-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2802 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2809 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2803M | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.3 | 2110198-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 44.6 | 2110198-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2806M | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2110248-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 23.2 | 2305038-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 23.2 | 2305038-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFPeA | Perfluoropentanoic acid | ND | 23.2 | 2305038-01 | No | County | 1Marion | 2824 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 109 | 2202015-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.8 | 2202015-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 108 | 2201154-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2802 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2809 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.3 | 2110201-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2806M | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2110247-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.2 | 2110247-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | 16.6 | 10.5 | 2110247-01 | No | County | 1Marion | 2803M | DE |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.2 | 2110247-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2110247-01 | No | County | 1Marion | 2824 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.31 | 2305059-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.31 | 2305059-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFDA | Perfluorodecanoic acid | ND | 4.31 | 2305059-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2305059-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFHxS | Perfluorohexanesulfonic acid | 21.5 | 10.8 | 2305059-01 | No | County | 1Marion | 2803M | DE |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.5 | 2305059-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.31 | 2305059-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFPeA | Perfluoropentanoic acid | 30.1 | 21.5 | 2305059-01 | No | County | 1Marion | 2824 | D |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2802 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.2 | 2110244-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 111 | 2110244-01 | No | County | 1Marion | 2824 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2812 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2820 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2815 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.2 | 2112017-01 | No | County | 1Multnomah | 2823 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2804M | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2806M | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2814 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 12.2 | 2305042-01 | No | County | 1Multnomah | 2816M | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 24.5 | 2305042-01 | No | County | 1Multnomah | 2825 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFNA | Perfluorononanoic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2804M | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2813 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2821 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2814 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2816M | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2827 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2801 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2808 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2829 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2809 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2823 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2804M | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2806M | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2824 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2813 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2821 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2802 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2809 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2812 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2801 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2808 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | 7.76 | 2.25 | 2508268-01 | No | County | 1Multnomah | 2809 | D |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2804M | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2814 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2801 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2808 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2825 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2804M | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2824 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2819 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.7 | 2201157-01 | No | County | 1Multnomah | 2825 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2828 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2821 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2820 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.6 | 2112087-01 | No | State | 1Baker | 2801 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2807 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2829 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2805M | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 21.8 | 2112087-01RE2 | No | State | 1Baker | 2819 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2820 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2819 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.8 | 2110238-01 | No | State | 1Clackamas | 2801 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2809 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2804M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 107 | 2110238-01 | No | State | 1Clackamas | 2824 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2814 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.1 | 2305041-01 | No | State | 1Clackamas | 2801 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2829 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 22.2 | 2305041-01 | No | State | 1Clackamas | 2823 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFNA | Perfluorononanoic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2804M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2828 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2821 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2814 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2819 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2808 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2802 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2828 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2803M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2828 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2814 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2815 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 114 | 2201062-01 | No | State | 1Columbia | 2816M | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2819 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2809 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2803M | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 45.6 | 2201062-01 | No | State | 1Columbia | 2823 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2804M | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 114 | 2201062-01 | No | State | 1Columbia | 2824 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2802 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2806M | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2828 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.7 | 2201095-01 | No | State | 1Crook | 2801 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2809 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2803M | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.9 | 2201095-01 | No | State | 1Crook | 2825 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2813 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2820 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2822 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2808 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2812 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2822 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2807 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2802 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2804M | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2201100-01 | No | State | 1Gilliam | 2824 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2812 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2822 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 107 | 2112082-01 | No | State | 1Grant | 2816M | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2819 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2808 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2826 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2829 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2803M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2111118-01 | No | State | 1Harney | 2816M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2802 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2809 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2803M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2806M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2828 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2821 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2822 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2814 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2815 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.2 | 2111118-05 | No | State | 1Harney | 2801 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2826 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2802 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2803M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2804M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2821 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.1 | 2207242-01 | No | State | 1Harney | 2823 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2812 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2820 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2307095-01 | No | State | 1Harney | 2815 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.1 | 2307095-01 | No | State | 1Harney | 2816M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFBA | Perfluorobutanoic acid | ND | 20.1 | 2307095-01 | No | State | 1Harney | 2819 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.1 | 2307095-01 | No | State | 1Harney | 2801 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFDA | Perfluorodecanoic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2807 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2826 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 20.1 | 2307095-01 | No | State | 1Harney | 2823 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2812 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2821 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01222 | EAGLE CREST MOBILE HOME PARK | EP-A | EP FOR WELLS #1, #2, & #4 | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2112022-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2112027-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 01264 | SPAR TREE MHP | EP-A | EP FOR NEW FRONT WELL | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2112027-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2809 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.8 | 2112021-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 01419 | EAGLE CREEK MOBILE ESTATES | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2112021-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 05086 | POLEHN HEIGHTS WATER ASSN | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2112023-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2809 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.7 | 2201110-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2805M | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.5 | 2304142-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2304142-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFOA | Perfluorooctanoic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 49.6 | 2201152-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2828 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2806M | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 108 | 2110245-01 | No | County | 1Marion | 2824 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.5 | 2201093-01 | No | State | 1Jefferson | 2801 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2826 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.8 | 2201093-01 | No | State | 1Jefferson | 2825 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2806M | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2828 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2815 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2111117-01 | No | State | 1Malheur | 2816M | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2826 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2809 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2804M | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2803M | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.9 | 2110202-01 | No | State | 1Marion | 2825 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2804M | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2806M | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2828 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2812 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2201065-01 | No | State | 1Marion | 2819 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2815 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2807 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2826 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2828 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2821 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2815 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2819 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2829 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.7 | 2111103-01 | No | State | 1Morrow | 2825 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2813 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.5 | 2112020-01 | No | State | 1Multnomah | 2801 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2829 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2804M | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2821 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFBA | Perfluorobutanoic acid | ND | 21.4 | 2305044-01 | No | State | 1Multnomah | 2819 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2802 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2809 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.4 | 2305044-01 | No | State | 1Multnomah | 2823 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFNA | Perfluorononanoic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2804M | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2828 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2812 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2813 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2807 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2826 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2803M | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.6 | 2112015-01 | No | State | 1Multnomah | 2825 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2806M | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2828 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2820 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2819 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2807 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2806M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2112016-01 | No | State | 1Multnomah | 2824 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2812 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2822 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2826 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2829 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2809 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFNA | Perfluorononanoic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2804M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2805M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFPeA | Perfluoropentanoic acid | ND | 21.0 | 2305043-01 | No | State | 1Multnomah | 2824 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2828 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2807 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.8 | 2305039-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2809 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2802 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2806M | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2809 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2803M | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.3 | 2110203-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.6 | 2110203-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 44.6 | 2110198-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 111 | 2110198-01 | No | County | 1Marion | 2824 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 112 | 2110246-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2802 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2809 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.5 | 2110248-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.6 | 2305038-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFDA | Perfluorodecanoic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.6 | 2305038-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2802 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.6 | 2305038-01 | No | County | 1Marion | 2803M | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2802 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.1 | 2201154-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2803M | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.6 | 2201154-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.1 | 2201154-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 108 | 2110201-01 | No | County | 1Marion | 2824 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | 17 | 10.5 | 2110247-01 | No | County | 1Marion | 2802 | D |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFHxA | Perfluorohexanoic acid | 34.3 | 4.31 | 2305059-01 | No | County | 1Marion | 2809 | D |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFNA | Perfluorononanoic acid | ND | 4.31 | 2305059-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFPeS | Perfluoropentanesulfonic acid | 4.85 | 4.31 | 2305059-01 | No | County | 1Marion | 2828 | D |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 111 | 2110244-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2803M | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 44.4 | 2110244-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2805M | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2813 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2822 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2814 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2819 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2807 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2826 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2112017-01 | No | County | 1Multnomah | 2825 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2805M | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2813 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2821 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2820 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2822 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 12.2 | 2305042-01 | No | County | 1Multnomah | 2815 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFBA | Perfluorobutanoic acid | ND | 24.5 | 2305042-01 | No | County | 1Multnomah | 2819 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 12.2 | 2305042-01 | No | County | 1Multnomah | 2801 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 24.5 | 2305042-01 | No | County | 1Multnomah | 2823 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2822 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2812 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.56 | 2508265-01 | No | County | 1Multnomah | 2819 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2807 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2829 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2825 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2805M | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2824 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2813 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2821 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2820 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2822 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2815 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2826 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2829 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | 36.2 | 2.25 | 2508268-01 | No | County | 1Multnomah | 2803M | DE |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | 7.09 | 2.25 | 2508268-01 | No | County | 1Multnomah | 2806M | DE |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2816M | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2807 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2826 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2802 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2828 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2813 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2808 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2809 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2803M | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.4 | 2201157-01 | No | County | 1Multnomah | 2823 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2804M | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2805M | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2812 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 107 | 2112087-01 | No | State | 1Baker | 2816M | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2826 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2803M | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 43.5 | 2112087-01RE2 | No | State | 1Baker | 2825 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 218 | 2112087-01RE2 | No | State | 1Baker | 2824 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2821 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2829 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2803M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.4 | 2110238-01 | No | State | 1Clackamas | 2825 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.8 | 2110238-01 | No | State | 1Clackamas | 2823 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2806M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2812 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2813 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2821 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.1 | 2305041-01 | No | State | 1Clackamas | 2816M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFDA | Perfluorodecanoic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2807 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.1 | 2305041-01 | No | State | 1Clackamas | 2808 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2805M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2820 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2815 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 110 | 2110238-02 | No | State | 1Clackamas | 2816M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2807 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2826 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2809 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.0 | 2110238-02 | No | State | 1Clackamas | 2825 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 44.0 | 2110238-02 | No | State | 1Clackamas | 2823 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2804M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2805M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2821 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2814 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2110238-03 | No | State | 1Clackamas | 2816M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2807 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2808 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2802 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2829 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.8 | 2110238-03 | No | State | 1Clackamas | 2825 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2826 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2802 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2806M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2828 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2812 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2820 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2822 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.9 | 2305043-03 | No | State | 1Multnomah | 2827 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.0 | 2305043-03 | No | State | 1Multnomah | 2801 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2826 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.9 | 2305043-03 | No | State | 1Multnomah | 2823 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFNA | Perfluorononanoic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2804M | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2820 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2815 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 107 | 2201147-01 | No | State | 1Polk | 2816M | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.8 | 2201147-01 | No | State | 1Polk | 2801 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2829 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.4 | 2201147-01 | No | State | 1Polk | 2825 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2805M | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2828 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2819 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2804M | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2207176-01 | No | State | 1Polk | 2824 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2812 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2207176-01RE1 | No | State | 1Polk | 2813 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2820 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2822 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 110 | 2112011-01 | No | State | 1Tillamook | 2816M | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2805M | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2812 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2820 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2819 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2808 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2802 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.9 | 2112011-03 | No | State | 1Tillamook | 2825 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2812 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2821 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2820 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2814 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2808 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2809 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2806M | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2304157-01 | No | State | 1Umatilla | 2815 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2807 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2304157-01 | No | State | 1Umatilla | 2808 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2809 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2813 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2815 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2807 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2829 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.7 | 2111096-01 | No | State | 1Umatilla | 2825 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2804M | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2805M | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2111096-01RE1 | No | State | 1Umatilla | 2816M | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2813 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2822 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2814 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.1 | 2111099-01 | No | State | 1Umatilla | 2801 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2808 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2802 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2804M | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 45.6 | 2201062-01 | No | State | 1Columbia | 2801 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2826 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2802 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2829 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2812 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2821 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2820 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2822 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2807 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2826 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2829 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2809 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2804M | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2805M | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2820 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2815 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2819 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2826 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2802 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2804M | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2201095-01 | No | State | 1Crook | 2824 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2814 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2201114-01 | No | State | 1Deschutes | 2816M | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2807 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2802 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2809 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.6 | 2201114-01 | No | State | 1Deschutes | 2825 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2804M | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2828 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2813 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2821 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2814 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2815 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2201100-01 | No | State | 1Gilliam | 2816M | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2809 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2805M | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2828 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2813 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2814 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2803M | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2804M | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2111099-01RE1 | No | State | 1Umatilla | 2816M | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2821 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2822 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.1 | 2304158-01 | No | State | 1Umatilla | 2816M | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.1 | 2304158-01 | No | State | 1Umatilla | 2801 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.1 | 2304158-01 | No | State | 1Umatilla | 2808 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.1 | 2304158-01 | No | State | 1Umatilla | 2803M | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2813 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2814 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2815 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.6 | 2111100-01 | No | State | 1Umatilla | 2825 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2826 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2809 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2111093-01RE1 | No | State | 1Umatilla | 2816M | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.8 | 2111094-01 | No | State | 1Umatilla | 2825 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2111094-01 | No | State | 1Umatilla | 2824 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2828 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2111094-01RE1 | No | State | 1Umatilla | 2816M | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2815 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2804M | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 107 | 2112082-01 | No | State | 1Grant | 2824 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2828 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.8 | 2111118-01 | No | State | 1Harney | 2801 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2826 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2111118-01 | No | State | 1Harney | 2824 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2808 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2829 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2805M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2111118-05 | No | State | 1Harney | 2824 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2812 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.1 | 2207242-01 | No | State | 1Harney | 2801 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2802 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.6 | 2207242-01 | No | State | 1Harney | 2825 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2806M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2805M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 108 | 2207242-01 | No | State | 1Harney | 2824 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2828 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2821 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2815 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2819 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2802 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2803M | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2804M | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2111095-01 | No | State | 1Umatilla | 2824 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2807 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2812 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2809 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2821 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2815 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.9 | 2111105-01 | No | State | 1Wallowa | 2801 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.9 | 2111105-01 | No | State | 1Wallowa | 2823 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2804M | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2812 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2813 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2815 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2809 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2806M | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2821 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2819 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.4 | 2201096-01 | No | State | 1Wheeler | 2801 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2803M | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2821 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2815 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2201064-01 | No | State | 1Yamhill | 2816M | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2807 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2829 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2803M | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.8 | 2201064-01 | No | State | 1Yamhill | 2823 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2804M | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2821 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2814 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 108 | 2201150-01 | No | State | 1Yamhill | 2816M | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2807 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2805M | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2828 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2812 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2820 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2822 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 110 | 2202060-01 | No | State | 1Yamhill | 2816M | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFBA | Perfluorobutanoic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2819 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFDA | Perfluorodecanoic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2807 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2808 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2826 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2802 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2829 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2809 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.9 | 2202060-01 | No | State | 1Yamhill | 2825 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.8 | 2202060-01 | No | State | 1Yamhill | 2823 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2813 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2814 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2201066-01 | No | State | 2Benton | 2816M | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2829 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2809 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.4 | 2201066-01 | No | State | 2Benton | 2823 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2805M | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2828 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2815 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.6 | 2207175-01 | No | State | 2Coos | 2801 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 20.1 | 2307095-01 | No | State | 1Harney | 2827 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2809 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFOA | Perfluorooctanoic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2806M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFOS | Perfluorooctanesulfonic acid | 4.74 | 4.02 | 2307095-01 | No | State | 1Harney | 2805M | DE |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFPeA | Perfluoropentanoic acid | ND | 20.1 | 2307095-01 | No | State | 1Harney | 2824 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2828 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2201093-01 | No | State | 1Jefferson | 2816M | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2819 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2829 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2803M | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2804M | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2812 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2821 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2808 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2806M | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2805M | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2828 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2812 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2821 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2815 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2809 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.6 | 2207175-01 | No | State | 2Coos | 2823 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2828 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2808 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2802 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2829 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2803M | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.7 | 2202099-01RE1 | No | State | 2Douglas | 2825 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2828 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2812 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2813 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2807 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2826 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2802 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2829 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.0 | 2202097-01RE1 | No | State | 2Douglas | 2823 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2804M | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2806M | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2202098-01RE1 | No | State | 2Douglas | 2816M | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2802 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.7 | 2110202-01 | No | State | 1Marion | 2801 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2807 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2829 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2110202-01 | No | State | 1Marion | 2824 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2821 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2820 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.5 | 2201065-01RE1 | No | State | 1Marion | 2801 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2803M | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2822 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.5 | 2111103-01 | No | State | 1Morrow | 2801 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2808 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2809 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2805M | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 109 | 2111103-01 | No | State | 1Morrow | 2824 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2828 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2815 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2112020-01 | No | State | 1Multnomah | 2816M | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2807 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2808 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2826 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2805M | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.5 | 2201068-01 | No | State | 2Douglas | 2823 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2820 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2822 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2815 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.5 | 2201068-01RE1 | No | State | 2Douglas | 2801 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2826 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2804M | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2806M | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2828 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2821 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2807 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2802 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2829 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.8 | 2304137-01 | No | State | 2Douglas | 2825 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2804M | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2806M | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2828 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2808 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2826 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2809 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2803M | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2806M | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2805M | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2820 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.7 | 2305044-01 | No | State | 1Multnomah | 2801 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2826 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.4 | 2305044-01 | No | State | 1Multnomah | 2825 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFOA | Perfluorooctanoic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2806M | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFPeA | Perfluoropentanoic acid | ND | 21.4 | 2305044-01 | No | State | 1Multnomah | 2824 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2822 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.2 | 2112015-01 | No | State | 1Multnomah | 2801 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2808 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2829 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2809 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2805M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2822 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2802 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.8 | 2112016-01 | No | State | 1Multnomah | 2823 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.5 | 2305043-01 | No | State | 1Multnomah | 2816M | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2803M | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2806M | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2813 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2820 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2802 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.1 | 2202100-01RE1 | No | State | 2Douglas | 2825 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2804M | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2813 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2820 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2815 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2829 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2806M | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2815 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2809 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2804M | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2201067-01 | No | State | 2Jackson | 2824 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2815 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.4 | 2201006-01 | No | State | 2Jackson | 2801 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.7 | 2201006-01 | No | State | 2Jackson | 2825 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2802 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.0 | 2305043-01 | No | State | 1Multnomah | 2825 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFOA | Perfluorooctanoic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2806M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2821 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2822 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2819 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2112016-03 | No | State | 1Multnomah | 2824 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2821 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.0 | 2305043-03 | No | State | 1Multnomah | 2816M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2802 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2812 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2822 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2826 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2803M | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2812 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2821 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2820 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2207176-01 | No | State | 1Polk | 2816M | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.4 | 2207176-01 | No | State | 1Polk | 2801 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.2 | 2207176-01 | No | State | 1Polk | 2825 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2804M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.0 | 2304132-01 | No | State | 2Jackson | 2816M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2829 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.0 | 2304132-01 | No | State | 2Jackson | 2803M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2815 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2802 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2829 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2828 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2821 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2820 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2814 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 12.1 | 2304132-03 | No | State | 2Jackson | 2816M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2807 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2809 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2821 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2822 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.4 | 2202095-01RE1 | No | State | 2Lane | 2801 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2829 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.4 | 2202095-01RE1 | No | State | 2Lane | 2823 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2202095-01RE1 | No | State | 2Lane | 2824 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2813 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2815 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2807 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2808 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2803M | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.0 | 2112011-01 | No | State | 1Tillamook | 2825 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2804M | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2821 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.8 | 2112011-03 | No | State | 1Tillamook | 2801 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2829 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.8 | 2112011-03 | No | State | 1Tillamook | 2823 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2805M | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2815 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2826 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2829 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.0 | 2111097-01 | No | State | 1Umatilla | 2825 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2111097-01RE1 | No | State | 1Umatilla | 2816M | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2813 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2821 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2820 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2820 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2808 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2809 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2804M | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2112074-01 | No | State | 2Lane | 2824 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2821 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2820 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2822 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 12.1 | 2304141-01 | No | State | 2Lane | 2815 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2826 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 24.2 | 2304141-01 | No | State | 2Lane | 2823 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFOA | Perfluorooctanoic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2806M | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2203058-01 | No | State | 2Lane | 2816M | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.2 | 2203058-01 | No | State | 2Lane | 2801 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2826 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2804M | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2806M | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2808 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2803M | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.0 | 2207243-01 | No | State | 2Lincoln | 2825 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 21.4 | 2304157-01 | No | State | 1Umatilla | 2819 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.7 | 2304157-01 | No | State | 1Umatilla | 2801 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2826 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2802 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2819 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2808 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2826 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2802 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2809 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2806M | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2111096-01 | No | State | 1Umatilla | 2824 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2828 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2821 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2820 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2815 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2819 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2807 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2826 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.0 | 2111099-01 | No | State | 1Umatilla | 2825 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2813 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2806M | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2812 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2820 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.3 | 2201106-01 | No | State | 2Lincoln | 2801 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2806M | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2813 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.9 | 2112079-01 | No | State | 2Linn | 2801 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2807 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2809 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2803M | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.9 | 2112079-01 | No | State | 2Linn | 2823 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2806M | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2828 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2808 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2826 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2809 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2812 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2821 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2202094-01RE1 | No | State | 2Linn | 2816M | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2819 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2820 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2814 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.1 | 2304158-01 | No | State | 1Umatilla | 2815 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 22.3 | 2304158-01 | No | State | 1Umatilla | 2819 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2826 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2802 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2809 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2806M | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2828 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2821 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2820 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2808 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2809 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.1 | 2111100-01 | No | State | 1Umatilla | 2823 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2806M | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2111100-01RE1 | No | State | 1Umatilla | 2816M | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2820 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2814 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2819 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2807 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2803M | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2804M | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2111093-01 | No | State | 1Umatilla | 2824 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2828 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2821 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2814 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2819 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2826 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2802 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2813 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2814 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.2 | 2111095-01 | No | State | 1Umatilla | 2801 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2808 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.2 | 2111095-01 | No | State | 1Umatilla | 2823 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2805M | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2111095-01RE1 | No | State | 1Umatilla | 2816M | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2813 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2820 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2814 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2815 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 108 | 2111101-01 | No | State | 1Umatilla | 2824 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2828 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 108 | 2111101-01RE1 | No | State | 1Umatilla | 2816M | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2813 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2201138-01 | No | State | 1Umatilla | 2816M | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2807 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2826 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2803M | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2804M | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2822 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2807 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2808 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2826 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.4 | 2111105-01 | No | State | 1Wallowa | 2825 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2111105-01RE1 | No | State | 1Wallowa | 2816M | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2814 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 113 | 2110240-01 | No | State | 1Washington | 2816M | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2828 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2820 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2814 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2815 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2804M | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2806M | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2820 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2819 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.8 | 2201064-01 | No | State | 1Yamhill | 2801 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2826 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.9 | 2201064-01 | No | State | 1Yamhill | 2825 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2805M | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2201064-01 | No | State | 1Yamhill | 2824 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2820 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2819 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2808 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2826 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2802 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2803M | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.5 | 2201150-01 | No | State | 1Yamhill | 2825 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2804M | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2806M | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2813 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2821 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2815 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2803M | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFOA | Perfluorooctanoic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2806M | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2821 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2826 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2804M | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2812 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2821 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2820 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2826 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2806M | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 109 | 2207175-01 | No | State | 2Coos | 2824 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2813 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2821 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2820 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2202099-01RE1 | No | State | 2Douglas | 2816M | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2809 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2804M | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2806M | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2814 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2819 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.0 | 2202097-01RE1 | No | State | 2Douglas | 2801 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2803M | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2805M | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2202097-01RE1 | No | State | 2Douglas | 2824 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2828 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2821 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2808 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.5 | 2202098-01RE1 | No | State | 2Douglas | 2825 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2812 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2201068-01 | No | State | 2Douglas | 2819 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2814 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2808 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2802 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2829 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2812 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2813 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2822 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2814 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.9 | 2304137-01 | No | State | 2Douglas | 2815 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.9 | 2304137-01 | No | State | 2Douglas | 2816M | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.9 | 2304137-01 | No | State | 2Douglas | 2801 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2826 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2813 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2822 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.6 | 2202102-01RE1 | No | State | 2Douglas | 2801 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2807 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.6 | 2202102-01RE1 | No | State | 2Douglas | 2823 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2804M | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2805M | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2202102-01RE1 | No | State | 2Douglas | 2824 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2821 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2822 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2814 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2202100-01RE1 | No | State | 2Douglas | 2816M | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2807 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2808 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2806M | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2202100-01RE1 | No | State | 2Douglas | 2824 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2821 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2814 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2819 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.9 | 2202101-01RE1 | No | State | 2Douglas | 2801 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2808 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2803M | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.9 | 2202101-01RE1 | No | State | 2Douglas | 2823 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2804M | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2828 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2821 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2826 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2803M | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.2 | 2201067-01 | No | State | 2Jackson | 2825 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2806M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2813 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2814 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2201006-01 | No | State | 2Jackson | 2816M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2819 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2807 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2826 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2829 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2809 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2803M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2201006-01 | No | State | 2Jackson | 2824 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2828 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2821 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2822 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 22.0 | 2304132-01 | No | State | 2Jackson | 2819 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2807 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2826 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2802 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2804M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2201006-03 | No | State | 2Jackson | 2816M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2826 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2809 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.3 | 2201006-03 | No | State | 2Jackson | 2825 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.6 | 2201006-03 | No | State | 2Jackson | 2823 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2806M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2812 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 24.2 | 2304132-03 | No | State | 2Jackson | 2827 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 24.2 | 2304132-03 | No | State | 2Jackson | 2819 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 24.2 | 2304132-03 | No | State | 2Jackson | 2825 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 24.2 | 2304132-03 | No | State | 2Jackson | 2823 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2806M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2812 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2814 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2803M | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.7 | 2202095-01RE1 | No | State | 2Lane | 2825 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2804M | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2806M | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2805M | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2813 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2112074-01 | No | State | 2Lane | 2816M | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2829 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2803M | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.5 | 2112074-01 | No | State | 2Lane | 2823 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2806M | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2813 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFDoA | Perfluorododecanoic acid | ND | 12.1 | 2304141-01 | No | State | 2Lane | 2808 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2805M | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2202094-01RE1 | No | State | 2Linn | 2824 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2828 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2807 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2826 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2802 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2804M | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2806M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2814 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2829 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.2 | 2112012-01 | No | County | 1Tillamook | 2823 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2828 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2821 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2814 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2815 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2808 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2802 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.5 | 2112013-01 | No | County | 1Tillamook | 2825 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 45.0 | 2112013-01 | No | County | 1Tillamook | 2823 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2806M | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2829 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2821 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2820 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2814 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2815 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2829 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2809 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.2 | 2203058-01 | No | State | 2Lane | 2823 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2804M | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2821 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2822 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2808 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2809 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2803M | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.7 | 2201106-01 | No | State | 2Lincoln | 2825 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 108 | 2201106-01 | No | State | 2Lincoln | 2824 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2828 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2820 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2829 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2804M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2820 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2809 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | 5.66 | 4.23 | 2305036-01 | No | County | 1Tillamook | 2805M | DE |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.2 | 2112013-03 | No | County | 1Tillamook | 2825 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2804M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2806M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2111106-01 | No | County | 1Union | 2814 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2815 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2803M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2812 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2802 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2809 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2111106-03 | No | County | 1Union | 2824 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2828 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2821 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2815 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2819 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2802 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2806M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2812 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2805M | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2813 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2821 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 107 | 2112073-01 | No | State | 2Linn | 2816M | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2807 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2829 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.7 | 2112073-01 | No | State | 2Linn | 2823 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2806M | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 107 | 2112073-01 | No | State | 2Linn | 2824 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2814 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2826 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2802 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2803M | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2804M | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2812 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2821 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2814 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2815 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2808 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2829 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2809 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.4 | 2201102-01 | No | County | 1Sherman | 2823 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2201102-01 | No | County | 1Sherman | 2824 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2812 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2112012-01 | No | County | 1Tillamook | 2816M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2819 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.2 | 2112012-01 | No | County | 1Tillamook | 2801 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2826 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2805M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2812 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2822 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 45.0 | 2112013-01 | No | County | 1Tillamook | 2801 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2807 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2809 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2803M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2804M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 112 | 2112013-01 | No | County | 1Tillamook | 2824 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2828 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2822 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 21.1 | 2305036-01 | No | County | 1Tillamook | 2819 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2802 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2829 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 21.1 | 2305036-01 | No | County | 1Tillamook | 2824 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2812 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2814 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2807 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2808 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2829 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2803M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2828 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2821 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2820 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2826 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2802 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2111106-01 | No | County | 1Union | 2825 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.6 | 2111106-01 | No | County | 1Union | 2823 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2806M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2820 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2822 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.7 | 2111106-03 | No | County | 1Union | 2801 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2807 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2808 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.4 | 2111106-03 | No | County | 1Union | 2825 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.5 | 2111106-05 | No | County | 1Union | 2801 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2807 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2808 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.5 | 2111106-05 | No | County | 1Union | 2823 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2111106-05 | No | County | 1Union | 2824 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2821 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2820 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2808 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2803M | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2805M | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2828 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2820 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2814 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2829 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2804M | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2807 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.0 | 2201094-01 | No | County | 1Wasco | 2825 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.1 | 2201094-01 | No | County | 1Wasco | 2823 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2804M | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2806M | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.30 | 2508250-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.5 | 2110241-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.3 | 2110241-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | 5.21 | 2.22 | 2508232-01 | No | County | 1Washington | 2806M | DE |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.44 | 2508254-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.70 | 2508255-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2801 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2813 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2822 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2111104-01 | No | County | 1Union | 2814 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2819 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.6 | 2111104-01 | No | County | 1Union | 2801 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2807 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2802 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2111104-01 | No | County | 1Union | 2825 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2806M | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.3 | 2201101-01 | No | County | 1Wasco | 2801 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2807 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2808 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2826 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2806M | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2805M | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2822 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2201094-01 | No | County | 1Wasco | 2816M | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2808 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2826 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.27 | 2508253-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.51 | 2508234-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2806M | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2813 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2820 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.73 | 2508238-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.62 | 2508235-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2819 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2829 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2809 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.7 | 2201161-01 | No | County | 1Yamhill | 2825 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2806M | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2828 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2823 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2821 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2820 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2814 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2816M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2827 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFDoA | Perfluorododecanoic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2808 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFOA | Perfluorooctanoic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2806M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFPeA | Perfluoropentanoic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2824 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01093 | USFS TIMBER LAKE JCC | EP-C | EP FOR WELL | 04/07/2025 | 04/10/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.00 | K2503553-001-P | Yes | County | 1Clackamas | 2816M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01093 | USFS TIMBER LAKE JCC | EP-C | EP FOR WELL | 04/07/2025 | 04/10/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 0.920 | K2503553-001-P | Yes | County | 1Clackamas | 2805M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFDoA | Perfluorododecanoic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2808 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2826 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2110241-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.56 | 2508232-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2803M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFHxA | Perfluorohexanoic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2809 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFNA | Perfluorononanoic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2804M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2805M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2828 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2821 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2822 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2801 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2826 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2829 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFUnA | Perfluoroundecanoic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2812 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2821 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFBA | Perfluorobutanoic acid | ND | 5.01 | 2509172-01 | Yes | County | 1Clackamas | 2819 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2826 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2802 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2825 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2804M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2806M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2824 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.38 | 2508239-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.28 | 2508256-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2803M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2826 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2829 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2803M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2825 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2805M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-A | EP FOR WARREN WELL | 04/17/2025 | 04/28/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 0.860 | K2504003-001-P | Yes | County | 1Columbia | 2816M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-A | EP FOR WARREN WELL | 04/17/2025 | 04/28/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 0.860 | K2504003-001-P | Yes | County | 1Columbia | 2801 | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-A | EP FOR WARREN WELL | 04/17/2025 | 04/28/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 0.860 | K2504003-001-P | Yes | County | 1Columbia | 2805M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-B | EP FOR GORIN WELL | 04/17/2025 | 04/28/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 0.860 | K2504003-007-P | Yes | County | 1Columbia | 2803M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-B | EP FOR GORIN WELL | 04/17/2025 | 04/28/2025 | PFNA | Perfluorononanoic acid | ND | 0.860 | K2504003-007-P | Yes | County | 1Columbia | 2804M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-B | EP FOR GORIN WELL | 04/17/2025 | 04/28/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 0.860 | K2504003-007-P | Yes | County | 1Columbia | 2805M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-C | EP FOR PANORAMA WELL | 04/17/2025 | 04/28/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 0.880 | K2504003-009-P | Yes | County | 1Columbia | 2816M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-D | EP FOR ELLISON WELL | 04/17/2025 | 04/28/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 0.860 | K2504003-003-P | Yes | County | 1Columbia | 2816M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-D | EP FOR ELLISON WELL | 04/17/2025 | 04/28/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 0.860 | K2504003-003-P | Yes | County | 1Columbia | 2803M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-D | EP FOR ELLISON WELL | 04/17/2025 | 04/28/2025 | PFNA | Perfluorononanoic acid | ND | 0.860 | K2504003-003-P | Yes | County | 1Columbia | 2804M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-D | EP FOR ELLISON WELL | 04/17/2025 | 04/28/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 0.860 | K2504003-003-P | Yes | County | 1Columbia | 2805M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-E | EP FOR BLAHA WELL (L57271) | 04/17/2025 | 04/28/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 0.850 | K2504003-005-P | Yes | County | 1Columbia | 2803M | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2821 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2809 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2822 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2819 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2826 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2802 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2804M | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2805M | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2812 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2813 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2827 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2825 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2804M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2805M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2824 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2815 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFDA | Perfluorodecanoic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2807 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFHpA | Perfluoroheptanoic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2802 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFNA | Perfluorononanoic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2804M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2805M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01093 | USFS TIMBER LAKE JCC | EP-C | EP FOR WELL | 04/07/2025 | 04/10/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 0.890 | K2503553-001-P | Yes | County | 1Clackamas | 2801 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01093 | USFS TIMBER LAKE JCC | EP-C | EP FOR WELL | 04/07/2025 | 04/10/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 0.910 | K2503553-001-P | Yes | County | 1Clackamas | 2803M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2822 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFPeA | Perfluoropentanoic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2824 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2814 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2822 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2827 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2801 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2823 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2806M | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2805M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 02/04/2025 | 03/05/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | C567-06539-P | Yes | County | 1Deschutes | 2805M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2821 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2820 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2822 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2827 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFBA | Perfluorobutanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2819 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2808 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2804M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2824 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 02/04/2025 | 03/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 380-134442-1-P | Yes | County | 1Deschutes | 2801 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 02/04/2025 | 03/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 380-134442-1-P | Yes | County | 1Deschutes | 2803M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 02/04/2025 | 03/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 380-134442-1-P | Yes | County | 1Deschutes | 2806M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 02/04/2025 | 03/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 380-134442-1-P | Yes | County | 1Deschutes | 2805M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2813 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2816M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2827 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFDA | Perfluorodecanoic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2807 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFDoA | Perfluorododecanoic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2808 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFHxA | Perfluorohexanoic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2809 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFOA | Perfluorooctanoic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2806M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFPeA | Perfluoropentanoic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2824 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2814 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2816M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2827 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2829 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2803M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2823 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2812 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2820 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2822 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2814 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2816M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2808 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2823 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2828 | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-C | EP FOR PANORAMA WELL | 04/17/2025 | 04/28/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 0.880 | K2504003-009-P | Yes | County | 1Columbia | 2801 | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-E | EP FOR BLAHA WELL (L57271) | 04/17/2025 | 04/28/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 0.850 | K2504003-005-P | Yes | County | 1Columbia | 2801 | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-E | EP FOR BLAHA WELL (L57271) | 04/17/2025 | 04/28/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 0.850 | K2504003-005-P | Yes | County | 1Columbia | 2805M | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2813 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2815 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.08 | 2508264-01 | Yes | County | 1Columbia | 2819 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2826 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2803M | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2825 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2804M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 02/04/2025 | 03/05/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | C567-06539-P | Yes | County | 1Deschutes | 2806M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2815 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2816M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFDA | Perfluorodecanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2807 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2826 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2823 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2828 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2821 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2801 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2802 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2809 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2828 | N |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 12/16/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | 11.00 | 1.00 | 123901P | Yes | County | 2Jackson | 2801 | D |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 05/16/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 104163P | Yes | County | 2Lane | 2804M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 05/16/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 104163P | Yes | County | 2Lane | 2806M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 11/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109896P | Yes | County | 2Lane | 2803M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 05/16/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 104164P | Yes | County | 2Lane | 2816M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 05/16/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 104164P | Yes | County | 2Lane | 2803M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 05/16/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | 4.00 | 1.00 | 104165P | Yes | County | 2Lane | 2803M | D |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 05/16/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 104165P | Yes | County | 2Lane | 2804M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 11/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109898P | Yes | County | 2Lane | 2801 | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 11/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109899P | Yes | County | 2Lane | 2801 | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 11/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109899P | Yes | County | 2Lane | 2803M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 05/16/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 104166P | Yes | County | 2Lane | 2801 | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 05/16/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 104166P | Yes | County | 2Lane | 2806M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2813 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2820 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2822 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2814 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2816M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2827 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2803M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFNA | Perfluorononanoic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2804M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2812 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2807 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2802 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2828 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2822 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2815 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2816M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFDA | Perfluorodecanoic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2807 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2808 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2826 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2809 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2803M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2825 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2823 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2812 | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 01/24/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 112231P | Yes | State | 1Baker | 2805M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 10/30/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122057P | Yes | State | 1Baker | 2805M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 04/24/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 115869P | Yes | State | 1Baker | 2803M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 04/24/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 115869P | Yes | State | 1Baker | 2806M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 08/13/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 118946P | Yes | State | 1Baker | 2816M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 08/13/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 118946P | Yes | State | 1Baker | 2806M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 03/11/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 114706P | Yes | State | 1Clackamas | 2804M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 09/17/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 121073P | Yes | State | 1Clackamas | 2801 | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 09/17/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 121073P | Yes | State | 1Clackamas | 2806M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 06/17/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 117412P | Yes | State | 1Clackamas | 2806M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 12/17/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 123897P | Yes | State | 1Clackamas | 2816M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 07/18/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 106051P | Yes | State | 1Clackamas | 2816M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 07/18/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 106051P | Yes | State | 1Clackamas | 2804M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 07/18/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 106051P | Yes | State | 1Clackamas | 2805M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 10/21/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122056P | Yes | State | 1Clatsop | 2803M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 10/21/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122056P | Yes | State | 1Clatsop | 2804M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 04/23/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 115868P | Yes | State | 1Clatsop | 2801 | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 03/26/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 116070R | Yes | State | 1Clatsop | 2803M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 07/23/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 118945P | Yes | State | 1Clatsop | 2803M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 07/23/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 118945P | Yes | State | 1Clatsop | 2805M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2815 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFBA | Perfluorobutanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2819 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFDA | Perfluorodecanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2807 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2808 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2826 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2803M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2805M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2812 | N |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 06/17/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 117416P | Yes | County | 2Jackson | 2816M | N |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 12/16/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 123901P | Yes | County | 2Jackson | 2816M | N |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 12/16/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | 27.70 | 1.00 | 123901P | Yes | County | 2Jackson | 2803M | DE |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 12/16/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 123901P | Yes | County | 2Jackson | 2804M | N |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 12/16/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | 9.30 | 1.30 | 123901P | Yes | County | 2Jackson | 2806M | DE |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 01/30/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | 5.00 | 1.30 | 113915R | Yes | County | 2Lane | 2805M | DE |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 11/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109896P | Yes | County | 2Lane | 2804M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 05/16/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 104164P | Yes | County | 2Lane | 2804M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 11/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109897P | Yes | County | 2Lane | 2816M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 11/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109897P | Yes | County | 2Lane | 2804M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 11/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109897P | Yes | County | 2Lane | 2805M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 05/16/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 104165P | Yes | County | 2Lane | 2816M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 06/20/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 105231P | Yes | State | 1Clatsop | 2816M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 06/20/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 105231P | Yes | State | 1Clatsop | 2804M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 06/20/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 105231P | Yes | State | 1Clatsop | 2806M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 06/20/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 105231P | Yes | State | 1Clatsop | 2805M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 03/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 102416P | Yes | State | 1Clatsop | 2806M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 12/12/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 110959P | Yes | State | 1Clatsop | 2816M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 12/12/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 110959P | Yes | State | 1Clatsop | 2801 | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 09/19/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 108058P | Yes | State | 1Clatsop | 2816M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 09/19/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 108058P | Yes | State | 1Clatsop | 2803M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 09/19/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 108058P | Yes | State | 1Clatsop | 2805M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2816M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFBA | Perfluorobutanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2819 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2826 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2829 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2804M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2805M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2828 | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 10/18/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109422R | Yes | State | 1Columbia | 2801 | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 08/22/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 107025P | Yes | State | 1Columbia | 2805M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 05/16/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 104165P | Yes | County | 2Lane | 2806M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 05/16/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | 5.70 | 1.30 | 104165P | Yes | County | 2Lane | 2805M | DE |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 11/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109899P | Yes | County | 2Lane | 2806M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 05/16/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 104166P | Yes | County | 2Lane | 2816M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 05/16/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 104166P | Yes | County | 2Lane | 2803M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2821 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFBA | Perfluorobutanoic acid | ND | 5.03 | 2509168-01 | Yes | County | 1Multnomah | 2819 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2801 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2809 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2823 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2820 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2822 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2801 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2829 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2803M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2825 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2805M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2820 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2827 | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 02/22/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 101645P | Yes | State | 1Columbia | 2816M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 02/22/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 101645P | Yes | State | 1Columbia | 2803M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 02/22/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 101645P | Yes | State | 1Columbia | 2805M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 08/22/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 107026P | Yes | State | 1Columbia | 2803M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 08/22/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 107026P | Yes | State | 1Columbia | 2804M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 08/22/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | 1.50 | 1.30 | 107026P | Yes | State | 1Columbia | 2805M | D |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 02/22/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 101646P | Yes | State | 1Columbia | 2803M | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2813 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2827 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2802 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109032P | Yes | State | 1Crook | 2803M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109032P | Yes | State | 1Crook | 2806M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 04/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103254P | Yes | State | 1Crook | 2803M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109031P | Yes | State | 1Crook | 2801 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109031P | Yes | State | 1Crook | 2806M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109031P | Yes | State | 1Crook | 2805M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 04/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103257P | Yes | State | 1Crook | 2816M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 04/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103257P | Yes | State | 1Crook | 2801 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 04/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103257P | Yes | State | 1Crook | 2803M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 04/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103257P | Yes | State | 1Crook | 2804M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2802 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2829 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2805M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2828 | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 01/24/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 112231P | Yes | State | 1Baker | 2803M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 01/24/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 112231P | Yes | State | 1Baker | 2804M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 10/30/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122057P | Yes | State | 1Baker | 2803M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 10/30/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122057P | Yes | State | 1Baker | 2804M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 10/30/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122057P | Yes | State | 1Baker | 2806M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 04/24/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 115869P | Yes | State | 1Baker | 2801 | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 08/13/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 118946P | Yes | State | 1Baker | 2801 | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 08/13/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 118946P | Yes | State | 1Baker | 2804M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 09/17/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 121073P | Yes | State | 1Clackamas | 2816M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 06/17/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 117412P | Yes | State | 1Clackamas | 2804M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 12/17/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 123897P | Yes | State | 1Clackamas | 2801 | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 12/17/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 123897P | Yes | State | 1Clackamas | 2804M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 12/17/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 123897P | Yes | State | 1Clackamas | 2806M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 12/17/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 123897P | Yes | State | 1Clackamas | 2805M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 01/10/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 100527P | Yes | State | 1Clackamas | 2816M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 01/10/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 100527P | Yes | State | 1Clackamas | 2804M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109034P | Yes | State | 1Crook | 2816M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109034P | Yes | State | 1Crook | 2806M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109034P | Yes | State | 1Crook | 2805M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 04/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103253P | Yes | State | 1Crook | 2816M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 04/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103253P | Yes | State | 1Crook | 2803M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109033P | Yes | State | 1Crook | 2801 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 08/08/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 106459R | Yes | State | 1Crook | 2816M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 03/22/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 102411P | Yes | State | 1Deschutes | 2804M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 09/19/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 108053P | Yes | State | 1Deschutes | 2803M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 09/19/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 108053P | Yes | State | 1Deschutes | 2806M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 03/22/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 102413P | Yes | State | 1Deschutes | 2801 | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 03/22/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 102413P | Yes | State | 1Deschutes | 2805M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 02/20/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 101647P | Yes | State | 1Deschutes | 2804M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 08/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 107029P | Yes | State | 1Deschutes | 2803M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 08/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 107029P | Yes | State | 1Deschutes | 2804M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 08/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 107029P | Yes | State | 1Deschutes | 2806M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 03/22/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 101649P | Yes | State | 1Deschutes | 2804M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 04/24/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 117098R | Yes | State | 1Jefferson | 2801 | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 04/24/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 117098R | Yes | State | 1Jefferson | 2806M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 01/10/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 100527P | Yes | State | 1Clackamas | 2805M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 04/12/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103249P | Yes | State | 1Clackamas | 2816M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 04/12/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103249P | Yes | State | 1Clackamas | 2803M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 10/03/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109026P | Yes | State | 1Clackamas | 2801 | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 10/03/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109026P | Yes | State | 1Clackamas | 2806M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 07/18/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 106051P | Yes | State | 1Clackamas | 2803M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 07/18/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 106051P | Yes | State | 1Clackamas | 2806M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 04/23/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 115868P | Yes | State | 1Clatsop | 2803M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 04/23/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 115868P | Yes | State | 1Clatsop | 2806M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 03/26/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 116070R | Yes | State | 1Clatsop | 2801 | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 03/26/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 116070R | Yes | State | 1Clatsop | 2804M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 07/23/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 118945P | Yes | State | 1Clatsop | 2801 | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 06/20/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 105231P | Yes | State | 1Clatsop | 2803M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 03/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 102416P | Yes | State | 1Clatsop | 2816M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 03/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 102416P | Yes | State | 1Clatsop | 2801 | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 09/19/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 108058P | Yes | State | 1Clatsop | 2804M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 02/11/2025 | 03/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 380-136085-1-P | Yes | State | 1Clatsop | 2803M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 02/11/2025 | 03/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 380-136085-1-P | Yes | State | 1Clatsop | 2804M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 02/11/2025 | 03/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 380-136085-1-P | Yes | State | 1Clatsop | 2806M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 02/21/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 113348P | Yes | State | 1Jefferson | 2805M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 08/19/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 120013P | Yes | State | 1Jefferson | 2804M | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 05/17/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 104159P | Yes | State | 1Marion | 2806M | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 01/30/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 113844R | Yes | State | 1Marion | 2801 | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 01/30/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 113844R | Yes | State | 1Marion | 2806M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 05/21/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 380-141161-1FRB-P | Yes | State | 1Morrow | 2806M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 05/21/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 380-141161-1-P | Yes | State | 1Morrow | 2801 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2821 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2820 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2801 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2826 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2802 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2809 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2825 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2804M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2824 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 05/21/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 380-141161-2FRB-P | Yes | State | 1Morrow | 2805M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 05/21/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 380-141161-2-P | Yes | State | 1Morrow | 2816M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 05/21/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 380-141161-2-P | Yes | State | 1Morrow | 2803M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2822 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFBA | Perfluorobutanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2819 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2808 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2826 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2802 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2829 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2806M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2805M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2824 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2828 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 05/21/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 380-141161-3FRB-P | Yes | State | 1Morrow | 2816M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 05/21/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 380-141161-3FRB-P | Yes | State | 1Morrow | 2801 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 05/21/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 380-141161-3FRB-P | Yes | State | 1Morrow | 2806M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 05/21/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 380-141161-3FRB-P | Yes | State | 1Morrow | 2805M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 05/21/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 380-141161-3-P | Yes | State | 1Morrow | 2804M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 05/21/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 380-141161-3-P | Yes | State | 1Morrow | 2806M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2816M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2827 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFDA | Perfluorodecanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2807 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2802 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2804M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2828 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2812 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 05/21/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | PFC0002-01-P | Yes | State | 1Morrow | 2804M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 05/21/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | PFC0002-01-P | Yes | State | 1Morrow | 2806M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2801 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFDA | Perfluorodecanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2807 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2803M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2823 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2828 | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 01/24/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | 1.10 | 1.00 | 112236P | Yes | State | 1Multnomah | 2801 | D |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 01/24/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | 2.10 | 1.00 | 112236P | Yes | State | 1Multnomah | 2803M | D |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 09/23/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122350R | Yes | State | 1Multnomah | 2801 | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 09/23/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | 1.70 | 1.00 | 122350R | Yes | State | 1Multnomah | 2803M | D |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 09/23/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122350R | Yes | State | 1Multnomah | 2804M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 01/24/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 112237P | Yes | State | 1Multnomah | 2816M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 01/24/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 112237P | Yes | State | 1Multnomah | 2805M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 07/24/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | 1.00 | 1.00 | 118952P | Yes | State | 1Multnomah | 2801 | D |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 07/24/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 118952P | Yes | State | 1Multnomah | 2804M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 09/11/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 121435R | Yes | State | 1Multnomah | 2816M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 09/11/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 121435R | Yes | State | 1Multnomah | 2805M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 07/24/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 118953P | Yes | State | 1Multnomah | 2806M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 11/20/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109894P | Yes | State | 1Polk | 2804M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 11/20/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109894P | Yes | State | 1Polk | 2806M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 11/20/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109894P | Yes | State | 1Polk | 2805M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 05/16/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | 3.20 | 1.00 | 104162P | Yes | State | 1Polk | 2801 | D |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 05/16/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 104162P | Yes | State | 1Polk | 2805M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 11/20/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | 3.10 | 1.00 | 109895P | Yes | State | 1Polk | 2801 | D |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 11/20/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109895P | Yes | State | 1Polk | 2803M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 11/20/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109895P | Yes | State | 1Polk | 2804M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 01/23/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 100528P | Yes | State | 1Polk | 2801 | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109027P | Yes | State | 1Polk | 2801 | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109027P | Yes | State | 1Polk | 2803M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 03/15/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 101767R | Yes | State | 1Umatilla | 2806M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 03/15/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 101767R | Yes | State | 1Umatilla | 2805M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 07/17/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 106056P | Yes | State | 1Umatilla | 2805M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 01/09/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 100535P | Yes | State | 1Umatilla | 2816M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 01/09/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 100535P | Yes | State | 1Umatilla | 2806M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 07/17/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 106057P | Yes | State | 1Umatilla | 2803M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 01/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 100536P | Yes | State | 1Umatilla | 2816M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 07/17/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 106058P | Yes | State | 1Umatilla | 2801 | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 07/17/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 106058P | Yes | State | 1Umatilla | 2804M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 04/22/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 115872P | Yes | State | 1Wasco | 2816M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 04/22/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 115872P | Yes | State | 1Wasco | 2803M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 04/22/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 115872P | Yes | State | 1Wasco | 2805M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 04/22/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 115873P | Yes | State | 1Wasco | 2801 | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 10/23/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122062P | Yes | State | 1Wasco | 2805M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 04/22/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 115874P | Yes | State | 1Wasco | 2803M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 04/22/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 115874P | Yes | State | 1Wasco | 2805M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 04/22/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 115875P | Yes | State | 1Wasco | 2805M | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 04/02/2025 | 04/10/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 380-143925-1-P | Yes | State | 1Washington | 2816M | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 04/02/2025 | 04/10/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 380-143925-1-P | Yes | State | 1Washington | 2803M | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 04/02/2025 | 04/10/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 380-143925-1-P | Yes | State | 1Washington | 2806M | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2813 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2822 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2814 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2816M | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2827 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2808 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2802 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2803M | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2825 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2804M | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2820 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2822 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2826 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2829 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2825 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2814 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFDA | Perfluorodecanoic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2807 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109020P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109020P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109020P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 04/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103243P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 04/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103244P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109021P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109021P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 04/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103245P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 04/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103245P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 04/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103245P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 04/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103245P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109022P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109022P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 04/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | 5.40 | 1.30 | 103246P | Yes | State | 1Yamhill | 2805M | DE |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109023P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109023P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-F | EP FOR WELL #10 | 04/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103247P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-F | EP FOR WELL #10 | 04/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103247P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-F | EP FOR WELL #10 | 04/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103247P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 12/18/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 123899P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 03/13/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 114710P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 03/13/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 114710P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 10/23/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122435R | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 03/13/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 114709P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 09/17/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 121074P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 09/17/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 121074P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 09/17/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 121074P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 03/13/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 114707P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 03/13/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 114707P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 03/13/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 114707P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 06/17/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 117413P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 12/18/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 123898P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 12/18/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 123898P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 03/13/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 114708P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 03/13/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 114708P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 04/17/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 112234P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 04/17/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 112234P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 04/17/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 112234P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 12/02/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122059P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 04/17/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 112235P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 08/27/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 118950P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 08/27/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 118950P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2813 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2827 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFDA | Perfluorodecanoic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2807 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2829 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 08/23/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 107021P | Yes | State | 2Benton | 2805M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 10/16/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109420R | Yes | State | 2Benton | 2804M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 10/16/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109420R | Yes | State | 2Benton | 2805M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 11/20/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109900P | Yes | State | 2Benton | 2803M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 11/20/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109900P | Yes | State | 2Benton | 2804M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 11/20/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109900P | Yes | State | 2Benton | 2806M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 08/22/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 107023P | Yes | State | 2Benton | 2803M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 08/22/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 107023P | Yes | State | 2Benton | 2804M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 02/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 101643P | Yes | State | 2Benton | 2816M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 02/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 101643P | Yes | State | 2Benton | 2801 | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 10/16/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109421R | Yes | State | 2Benton | 2816M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 11/20/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109901P | Yes | State | 2Benton | 2805M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 08/22/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 107024P | Yes | State | 2Benton | 2816M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 08/22/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 107024P | Yes | State | 2Benton | 2803M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 08/22/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 107024P | Yes | State | 2Benton | 2804M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 08/22/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 107024P | Yes | State | 2Benton | 2806M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 08/22/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 107024P | Yes | State | 2Benton | 2805M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 02/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 101644P | Yes | State | 2Benton | 2804M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2820 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2803M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2825 | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 10/18/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109422R | Yes | State | 1Columbia | 2816M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 10/18/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109422R | Yes | State | 1Columbia | 2806M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 11/20/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109902P | Yes | State | 1Columbia | 2801 | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 11/20/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109902P | Yes | State | 1Columbia | 2804M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 11/20/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109902P | Yes | State | 1Columbia | 2806M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 11/20/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109902P | Yes | State | 1Columbia | 2805M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 02/22/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 101645P | Yes | State | 1Columbia | 2801 | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 08/22/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 107026P | Yes | State | 1Columbia | 2816M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 08/22/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 107026P | Yes | State | 1Columbia | 2806M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 02/22/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 101646P | Yes | State | 1Columbia | 2816M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 02/22/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 101646P | Yes | State | 1Columbia | 2801 | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 02/22/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 101646P | Yes | State | 1Columbia | 2806M | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2822 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFDA | Perfluorodecanoic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2807 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2826 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2829 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2824 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109032P | Yes | State | 1Crook | 2804M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109032P | Yes | State | 1Crook | 2805M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 04/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103254P | Yes | State | 1Crook | 2804M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 04/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103254P | Yes | State | 1Crook | 2806M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 04/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103254P | Yes | State | 1Crook | 2805M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109031P | Yes | State | 1Crook | 2816M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109031P | Yes | State | 1Crook | 2803M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 04/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103257P | Yes | State | 1Crook | 2806M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109034P | Yes | State | 1Crook | 2803M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109034P | Yes | State | 1Crook | 2804M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109030P | Yes | State | 1Crook | 2816M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109030P | Yes | State | 1Crook | 2804M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109030P | Yes | State | 1Crook | 2806M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109033P | Yes | State | 1Crook | 2816M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 03/22/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 102411P | Yes | State | 1Deschutes | 2806M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 03/22/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 102411P | Yes | State | 1Deschutes | 2805M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 09/19/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 108053P | Yes | State | 1Deschutes | 2805M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 03/22/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 102412P | Yes | State | 1Deschutes | 2816M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 03/22/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 102412P | Yes | State | 1Deschutes | 2803M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 03/22/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 102412P | Yes | State | 1Deschutes | 2805M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 09/19/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 108054P | Yes | State | 1Deschutes | 2816M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 09/19/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 108054P | Yes | State | 1Deschutes | 2803M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 09/19/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 108054P | Yes | State | 1Deschutes | 2806M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 03/22/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 102413P | Yes | State | 1Deschutes | 2816M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 03/22/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 102413P | Yes | State | 1Deschutes | 2804M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 09/19/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 108055P | Yes | State | 1Deschutes | 2801 | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 09/19/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 108055P | Yes | State | 1Deschutes | 2805M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 08/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 107028P | Yes | State | 1Deschutes | 2816M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 08/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 107028P | Yes | State | 1Deschutes | 2806M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 02/20/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 101648P | Yes | State | 1Deschutes | 2806M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 02/20/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 101648P | Yes | State | 1Deschutes | 2805M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 08/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 107027P | Yes | State | 1Deschutes | 2801 | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 08/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 107027P | Yes | State | 1Deschutes | 2806M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 02/20/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 101647P | Yes | State | 1Deschutes | 2803M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 08/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 107029P | Yes | State | 1Deschutes | 2801 | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 08/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 107029P | Yes | State | 1Deschutes | 2805M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 03/22/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 101649P | Yes | State | 1Deschutes | 2803M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 03/22/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 101649P | Yes | State | 1Deschutes | 2806M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 03/22/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 101649P | Yes | State | 1Deschutes | 2805M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 08/19/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 120012P | Yes | State | 1Jefferson | 2816M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 08/19/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 120012P | Yes | State | 1Jefferson | 2801 | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 04/24/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 117098R | Yes | State | 1Jefferson | 2816M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 04/24/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 117098R | Yes | State | 1Jefferson | 2804M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 02/21/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 113348P | Yes | State | 1Jefferson | 2804M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 02/21/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 113348P | Yes | State | 1Jefferson | 2806M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 08/19/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 120013P | Yes | State | 1Jefferson | 2816M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 08/19/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 120013P | Yes | State | 1Jefferson | 2806M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 08/19/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 120013P | Yes | State | 1Jefferson | 2805M | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 05/17/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 104159P | Yes | State | 1Marion | 2801 | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 01/30/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 113844R | Yes | State | 1Marion | 2816M | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 01/30/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 113844R | Yes | State | 1Marion | 2803M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 05/21/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 380-141161-1FRB-P | Yes | State | 1Morrow | 2816M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 05/21/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 380-141161-1-P | Yes | State | 1Morrow | 2805M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2822 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2816M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFBA | Perfluorobutanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2819 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2829 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2803M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 05/21/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 380-141161-2FRB-P | Yes | State | 1Morrow | 2803M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 05/21/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 380-141161-2FRB-P | Yes | State | 1Morrow | 2804M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 05/21/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 380-141161-2FRB-P | Yes | State | 1Morrow | 2806M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2813 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2814 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2816M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2801 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFDA | Perfluorodecanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2807 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2803M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2825 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 05/21/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 380-141161-3-P | Yes | State | 1Morrow | 2816M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2821 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2814 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2825 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2806M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 05/21/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | PFC0002-01-P | Yes | State | 1Morrow | 2801 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 05/21/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | PFC0002-02-P | Yes | State | 1Morrow | 2806M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 05/21/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | PFC0002-02-P | Yes | State | 1Morrow | 2805M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2814 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2827 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFBA | Perfluorobutanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2819 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2825 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2824 | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 01/24/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | 3.30 | 1.30 | 112236P | Yes | State | 1Multnomah | 2805M | D |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 09/23/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | 2.10 | 1.30 | 122350R | Yes | State | 1Multnomah | 2805M | D |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 01/24/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 112237P | Yes | State | 1Multnomah | 2806M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 07/24/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 118952P | Yes | State | 1Multnomah | 2803M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 07/24/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 118952P | Yes | State | 1Multnomah | 2806M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 09/11/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 121435R | Yes | State | 1Multnomah | 2801 | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 09/11/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 121435R | Yes | State | 1Multnomah | 2803M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 09/11/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 121435R | Yes | State | 1Multnomah | 2806M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 05/16/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 104161P | Yes | State | 1Polk | 2816M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 05/16/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 104161P | Yes | State | 1Polk | 2803M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 05/16/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 104161P | Yes | State | 1Polk | 2804M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 05/16/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 104161P | Yes | State | 1Polk | 2806M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 11/20/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109894P | Yes | State | 1Polk | 2816M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 05/16/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 104162P | Yes | State | 1Polk | 2803M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 05/16/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 104162P | Yes | State | 1Polk | 2804M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 11/20/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109895P | Yes | State | 1Polk | 2816M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 11/20/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109895P | Yes | State | 1Polk | 2806M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 01/23/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 100528P | Yes | State | 1Polk | 2816M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 01/23/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 100528P | Yes | State | 1Polk | 2804M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 04/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103250P | Yes | State | 1Polk | 2804M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 04/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103250P | Yes | State | 1Polk | 2805M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109027P | Yes | State | 1Polk | 2816M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/27/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 106052P | Yes | State | 1Polk | 2801 | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 03/15/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 101767R | Yes | State | 1Umatilla | 2816M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 03/15/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 101767R | Yes | State | 1Umatilla | 2801 | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 03/15/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 101767R | Yes | State | 1Umatilla | 2803M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 07/17/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 106056P | Yes | State | 1Umatilla | 2801 | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 01/09/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 100535P | Yes | State | 1Umatilla | 2803M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 07/17/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 106057P | Yes | State | 1Umatilla | 2816M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 01/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 100536P | Yes | State | 1Umatilla | 2801 | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 01/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 100536P | Yes | State | 1Umatilla | 2804M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 01/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 100536P | Yes | State | 1Umatilla | 2806M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 01/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 100536P | Yes | State | 1Umatilla | 2805M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 07/17/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 106058P | Yes | State | 1Umatilla | 2803M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 07/17/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 106058P | Yes | State | 1Umatilla | 2805M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 10/23/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122060P | Yes | State | 1Wasco | 2816M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 10/23/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122060P | Yes | State | 1Wasco | 2801 | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 10/23/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122060P | Yes | State | 1Wasco | 2805M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 04/22/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 115872P | Yes | State | 1Wasco | 2801 | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 04/22/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 115872P | Yes | State | 1Wasco | 2806M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 10/23/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122061P | Yes | State | 1Wasco | 2804M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 10/23/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122061P | Yes | State | 1Wasco | 2805M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 10/23/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | 1.40 | 1.00 | 122062P | Yes | State | 1Wasco | 2801 | D |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 10/23/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | 1.60 | 1.30 | 122062P | Yes | State | 1Wasco | 2806M | D |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 04/22/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 115874P | Yes | State | 1Wasco | 2816M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 10/23/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122063P | Yes | State | 1Wasco | 2801 | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 10/23/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122063P | Yes | State | 1Wasco | 2806M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 10/23/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122063P | Yes | State | 1Wasco | 2805M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 04/22/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 115875P | Yes | State | 1Wasco | 2806M | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 04/02/2025 | 04/10/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 380-143925-1-P | Yes | State | 1Washington | 2804M | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 04/02/2025 | 04/10/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 380-143925-1-P | Yes | State | 1Washington | 2805M | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2821 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2820 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2823 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2824 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2812 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2813 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2814 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFDA | Perfluorodecanoic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2807 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFOA | Perfluorooctanoic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2824 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2812 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2813 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2821 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2815 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2827 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFDoA | Perfluorododecanoic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2808 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2826 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFHpA | Perfluoroheptanoic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2802 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2823 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFNA | Perfluorononanoic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFUnA | Perfluoroundecanoic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2812 | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109020P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 04/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103243P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 04/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103243P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 04/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103244P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109021P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 04/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103245P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109022P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109022P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 04/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103246P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 04/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103246P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 04/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103246P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109023P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-F | EP FOR WELL #10 | 04/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103247P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 09/17/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 121077P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 09/17/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 121077P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 06/17/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 117414P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 06/17/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 117414P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 12/18/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 123899P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 03/13/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 114710P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 03/13/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 114710P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 03/13/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 114710P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 10/23/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122435R | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 02/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 101644P | Yes | State | 2Benton | 2806M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 02/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 101644P | Yes | State | 2Benton | 2805M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 02/20/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 113345P | Yes | State | 2Coos | 2804M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 11/19/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122900P | Yes | State | 2Coos | 2806M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 08/19/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 120010P | Yes | State | 2Coos | 2806M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 05/22/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 116518P | Yes | State | 2Coos | 2804M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 03/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 102414P | Yes | State | 2Coos | 2816M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 03/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 102414P | Yes | State | 2Coos | 2805M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 12/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 110957P | Yes | State | 2Coos | 2805M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 09/18/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 108056P | Yes | State | 2Coos | 2801 | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 09/18/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 108056P | Yes | State | 2Coos | 2804M | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 07/23/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 118947P | Yes | State | 2Curry | 2801 | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 07/23/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 118947P | Yes | State | 2Curry | 2803M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 01/09/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 100529P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 01/09/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 100529P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 04/10/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103251P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 04/10/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103251P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/13/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 114033R | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 05/06/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 117142R | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 01/09/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 100530P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 01/09/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 100530P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 01/09/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 100530P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 04/12/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103252P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 04/12/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103252P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 04/12/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103252P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 04/12/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103252P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109029P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 07/17/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 106054P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 08/26/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 120014P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 08/26/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 120014P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 08/26/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 120014P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 04/23/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 117063R | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 04/23/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 117063R | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 04/23/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 117063R | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 05/22/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 116522P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 11/20/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122904P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 11/20/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122904P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 11/20/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122904P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 11/20/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122904P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 10/23/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122058P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 10/23/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122058P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 10/23/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122058P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 04/24/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 115870P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 04/24/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 115870P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 04/24/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 115870P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 07/22/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 118948P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 02/20/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 113350P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 11/19/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122905P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 11/19/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122905P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 11/19/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122905P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 08/19/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 120015P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 11/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109903P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 11/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109903P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 11/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109903P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 05/16/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 104170P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 05/16/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 104170P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 05/16/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 104170P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 08/23/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 107030P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 08/23/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 107030P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 08/23/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 107030P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 101650P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 03/22/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 102415P | Yes | State | 2Jackson | 2816M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 03/22/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 102415P | Yes | State | 2Jackson | 2806M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 03/22/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 102415P | Yes | State | 2Jackson | 2805M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 12/12/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 110958P | Yes | State | 2Jackson | 2804M | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 06/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 104657P | Yes | State | 2Klamath | 2801 | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 06/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 104657P | Yes | State | 2Klamath | 2804M | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 12/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 110968P | Yes | State | 2Klamath | 2803M | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 12/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 110968P | Yes | State | 2Klamath | 2806M | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 12/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 110968P | Yes | State | 2Klamath | 2805M | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 12/09/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122903P | Yes | State | 2Lake | 2801 | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 05/22/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 116521P | Yes | State | 2Lake | 2801 | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 08/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 107022P | Yes | State | 2Lane | 2816M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 08/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 107022P | Yes | State | 2Lane | 2801 | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 08/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 107022P | Yes | State | 2Lane | 2804M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 08/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 107022P | Yes | State | 2Lane | 2806M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 05/15/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 104160P | Yes | State | 2Lane | 2804M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 05/15/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 104160P | Yes | State | 2Lane | 2806M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/20/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 101642P | Yes | State | 2Lane | 2816M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/20/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 101642P | Yes | State | 2Lane | 2801 | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/20/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 101642P | Yes | State | 2Lane | 2803M | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 11/20/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122901P | Yes | State | 2Lane | 2816M | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 11/20/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122901P | Yes | State | 2Lane | 2801 | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 11/20/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122901P | Yes | State | 2Lane | 2806M | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 05/22/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 116519P | Yes | State | 2Lane | 2816M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 02/21/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 113346P | Yes | State | 2Lane | 2803M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 11/20/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122902P | Yes | State | 2Lane | 2804M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 05/21/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 116520P | Yes | State | 2Lane | 2816M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 05/21/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 116520P | Yes | State | 2Lane | 2805M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 01/10/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 100525P | Yes | State | 2Lincoln | 2805M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 04/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103248P | Yes | State | 2Lincoln | 2801 | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 10/03/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109025P | Yes | State | 2Lincoln | 2816M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 10/03/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109025P | Yes | State | 2Lincoln | 2806M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 07/18/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 106049P | Yes | State | 2Lincoln | 2804M | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2822 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2816M | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2802 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFOA | Perfluorooctanoic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2806M | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2828 | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 01/10/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 100532P | Yes | State | 2Lincoln | 2816M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 01/10/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 100532P | Yes | State | 2Lincoln | 2801 | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 01/10/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 100532P | Yes | State | 2Lincoln | 2804M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 01/10/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 100532P | Yes | State | 2Lincoln | 2806M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 04/10/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103258P | Yes | State | 2Lincoln | 2806M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 04/10/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103258P | Yes | State | 2Lincoln | 2805M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109035P | Yes | State | 2Lincoln | 2803M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109035P | Yes | State | 2Lincoln | 2806M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 07/18/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 106055P | Yes | State | 2Lincoln | 2816M | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 03/20/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 101724R | Yes | State | 2Linn | 2806M | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109329R | Yes | State | 2Linn | 2803M | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109329R | Yes | State | 2Linn | 2804M | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109329R | Yes | State | 2Linn | 2806M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 03/12/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 114711P | Yes | State | 2Linn | 2804M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 03/12/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 114711P | Yes | State | 2Linn | 2805M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 06/19/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 117415P | Yes | State | 2Linn | 2804M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 06/19/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 117415P | Yes | State | 2Linn | 2805M | N |
| Yes | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 05/06/2025 | 05/13/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 0.910 | K2504629-002-P | Yes | State | 2Linn | 2803M | N |
| Yes | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 05/06/2025 | 05/13/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 0.920 | K2504629-002-P | Yes | State | 2Linn | 2805M | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2821 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2827 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2829 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2809 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2823 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2805M | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2828 | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 10/23/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122435R | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 10/23/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122435R | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 03/13/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 114709P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 03/13/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 114709P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 03/13/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 114709P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 03/13/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 114707P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 06/17/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 117413P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 12/18/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 123898P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 12/18/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 123898P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 12/18/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 123898P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 03/13/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 114708P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 08/27/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 118949P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 04/17/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 112235P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 08/27/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 118950P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2821 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2815 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2808 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2809 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 12/05/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109891P | Yes | State | 2Benton | 2816M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 12/05/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109891P | Yes | State | 2Benton | 2801 | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 05/09/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 104158P | Yes | State | 2Benton | 2816M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 05/09/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 104158P | Yes | State | 2Benton | 2804M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 05/09/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 104158P | Yes | State | 2Benton | 2806M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 08/23/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 107021P | Yes | State | 2Benton | 2816M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 02/28/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 101641P | Yes | State | 2Benton | 2816M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 10/16/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109420R | Yes | State | 2Benton | 2816M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 10/16/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109420R | Yes | State | 2Benton | 2806M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 08/22/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 107023P | Yes | State | 2Benton | 2801 | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 08/22/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 107023P | Yes | State | 2Benton | 2805M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 02/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 101643P | Yes | State | 2Benton | 2806M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 02/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 101643P | Yes | State | 2Benton | 2805M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 10/16/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109421R | Yes | State | 2Benton | 2803M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 10/16/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109421R | Yes | State | 2Benton | 2804M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 11/20/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109901P | Yes | State | 2Benton | 2801 | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 11/20/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109901P | Yes | State | 2Benton | 2803M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 02/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 101644P | Yes | State | 2Benton | 2803M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 02/20/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 113345P | Yes | State | 2Coos | 2816M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 02/20/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 113345P | Yes | State | 2Coos | 2801 | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 02/20/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 113345P | Yes | State | 2Coos | 2803M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 11/19/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122900P | Yes | State | 2Coos | 2801 | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 11/19/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122900P | Yes | State | 2Coos | 2804M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 05/22/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 116518P | Yes | State | 2Coos | 2801 | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 05/22/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 116518P | Yes | State | 2Coos | 2806M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 06/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 105229P | Yes | State | 2Coos | 2816M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 06/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 105229P | Yes | State | 2Coos | 2804M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 03/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 102414P | Yes | State | 2Coos | 2801 | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 03/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 102414P | Yes | State | 2Coos | 2803M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 03/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 102414P | Yes | State | 2Coos | 2804M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 12/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 110957P | Yes | State | 2Coos | 2806M | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 01/24/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 112232P | Yes | State | 2Curry | 2816M | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 01/24/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 112232P | Yes | State | 2Curry | 2803M | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 01/24/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 112232P | Yes | State | 2Curry | 2805M | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 07/23/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 118947P | Yes | State | 2Curry | 2816M | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 07/23/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 118947P | Yes | State | 2Curry | 2805M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 04/10/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103251P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/13/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 114033R | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/13/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 114033R | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 05/06/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 117142R | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 05/06/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 117142R | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 01/09/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 100530P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109029P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 07/17/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 106054P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 07/17/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 106054P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 07/17/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 106054P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 04/23/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 117063R | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 04/23/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 117063R | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 05/22/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 116522P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 05/22/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 116522P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 05/22/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 116522P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 11/20/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122904P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 01/22/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 112233P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 10/23/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122058P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 10/23/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122058P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 07/22/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 118948P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 07/22/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 118948P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 02/20/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 113350P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 02/20/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 113350P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 02/20/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 113350P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 11/19/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122905P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 08/19/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 120015P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 08/19/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 120015P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 05/28/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 116523P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 05/28/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 116523P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 11/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109903P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 05/16/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 104170P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 08/23/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 107030P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 101650P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 03/22/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 102415P | Yes | State | 2Jackson | 2801 | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 03/22/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 102415P | Yes | State | 2Jackson | 2803M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 12/12/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 110958P | Yes | State | 2Jackson | 2805M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 09/27/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 108057P | Yes | State | 2Jackson | 2801 | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 09/27/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 108057P | Yes | State | 2Jackson | 2804M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 09/27/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 108057P | Yes | State | 2Jackson | 2806M | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 06/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 104657P | Yes | State | 2Klamath | 2816M | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 12/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 110968P | Yes | State | 2Klamath | 2816M | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 12/09/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122903P | Yes | State | 2Lake | 2816M | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 12/09/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122903P | Yes | State | 2Lake | 2803M | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 12/09/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122903P | Yes | State | 2Lake | 2804M | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 05/22/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 116521P | Yes | State | 2Lake | 2816M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 11/20/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109893P | Yes | State | 2Lane | 2801 | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 11/20/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109893P | Yes | State | 2Lane | 2803M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 11/20/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109893P | Yes | State | 2Lane | 2804M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 11/20/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109893P | Yes | State | 2Lane | 2806M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 11/20/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109893P | Yes | State | 2Lane | 2805M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 08/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 107022P | Yes | State | 2Lane | 2803M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 08/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 107022P | Yes | State | 2Lane | 2805M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 05/15/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 104160P | Yes | State | 2Lane | 2801 | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 05/15/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 104160P | Yes | State | 2Lane | 2803M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/20/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 101642P | Yes | State | 2Lane | 2804M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/20/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 101642P | Yes | State | 2Lane | 2806M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/20/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 101642P | Yes | State | 2Lane | 2805M | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 11/20/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122901P | Yes | State | 2Lane | 2804M | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 11/20/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122901P | Yes | State | 2Lane | 2805M | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 05/22/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 116519P | Yes | State | 2Lane | 2806M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 02/21/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 113346P | Yes | State | 2Lane | 2816M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 02/21/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 113346P | Yes | State | 2Lane | 2804M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 02/21/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 113346P | Yes | State | 2Lane | 2806M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 02/21/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 113346P | Yes | State | 2Lane | 2805M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 11/20/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122902P | Yes | State | 2Lane | 2806M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 08/20/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 120011P | Yes | State | 2Lane | 2816M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 08/20/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 120011P | Yes | State | 2Lane | 2801 | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 01/10/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 100525P | Yes | State | 2Lincoln | 2801 | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 04/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103248P | Yes | State | 2Lincoln | 2803M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 07/18/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 106049P | Yes | State | 2Lincoln | 2803M | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2814 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2815 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2801 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2829 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2824 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2812 | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 01/10/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 100532P | Yes | State | 2Lincoln | 2805M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109035P | Yes | State | 2Lincoln | 2805M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 07/18/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 106055P | Yes | State | 2Lincoln | 2805M | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 03/20/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 101724R | Yes | State | 2Linn | 2816M | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 03/20/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 101724R | Yes | State | 2Linn | 2803M | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109329R | Yes | State | 2Linn | 2805M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 03/12/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 114711P | Yes | State | 2Linn | 2816M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 09/18/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 121078P | Yes | State | 2Linn | 2816M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 09/18/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 121078P | Yes | State | 2Linn | 2805M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 06/19/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 117415P | Yes | State | 2Linn | 2801 | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 06/19/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 117415P | Yes | State | 2Linn | 2803M | N |
| Yes | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 05/06/2025 | 05/13/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.00 | K2504629-002-P | Yes | State | 2Linn | 2816M | N |
| Yes | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 05/06/2025 | 05/13/2025 | PFNA | Perfluorononanoic acid | ND | 1.00 | K2504629-002-P | Yes | State | 2Linn | 2804M | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2813 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2815 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2808 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2826 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2825 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2305040-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.6 | 2305040-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFNA | Perfluorononanoic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.32 | 2305040-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 44.5 | 2110239-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2813 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.8 | 2112018-01 | No | County | 1Clackamas | 2801 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2822 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.3 | 2112019-01 | No | County | 1Clackamas | 2801 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2809 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2828 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2110256-01 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2809 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2110256-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2812 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2821 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2820 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 109 | 2201155-01 | No | County | 1Columbia | 2816M | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.8 | 2201155-01 | No | County | 1Columbia | 2801 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2808 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2809 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2803M | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2828 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2821 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2822 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2814 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.5 | 2201156-01 | No | County | 1Columbia | 2823 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2804M | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 109 | 2201156-01 | No | County | 1Columbia | 2824 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2812 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.5 | 2305037-01 | No | County | 1Columbia | 2815 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2807 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2826 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.5 | 2305037-01 | No | County | 1Columbia | 2803M | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 23.0 | 2305037-01 | No | County | 1Columbia | 2823 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2821 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2820 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2201098-01 | No | County | 1Crook | 2816M | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2826 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2829 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2805M | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2820 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2814 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2819 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2808 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.6 | 2201097-01 | No | County | 1Crook | 2823 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2805M | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2813 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2815 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 110 | 2110242-01 | No | Agriculture | 1Clackamas | 2816M | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2819 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2805M | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.1 | 2202013-01 | No | Agriculture | 1Clackamas | 2801 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2807 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2826 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2802 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2829 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2803M | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2202013-01 | No | Agriculture | 1Clackamas | 2824 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2812 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2821 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2820 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2814 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2807 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2808 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2110243-01 | No | Agriculture | 1Marion | 2825 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.2 | 2110243-01 | No | Agriculture | 1Marion | 2823 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2813 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2819 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 45.9 | 2201153-01 | No | Agriculture | 1Marion | 2801 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2807 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2808 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2804M | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2821 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.6 | 2111098-01 | No | Agriculture | 1Umatilla | 2801 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2807 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.3 | 2111098-01 | No | Agriculture | 1Umatilla | 2825 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2802 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2828 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2812 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2111102-01RE1 | No | Agriculture | 1Umatilla | 2816M | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2814 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2807 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2803M | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2202022-01 | No | County | 1Deschutes | 2824 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2202022-03 | No | County | 1Deschutes | 2816M | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2807 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2829 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2803M | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2804M | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2828 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2813 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2814 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2819 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2807 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2826 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.4 | 2201007-01 | No | County | 2Douglas | 2825 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2805M | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2828 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2826 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2809 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2822 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2819 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2826 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2829 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2201010-01 | No | County | 2Jackson | 2824 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2822 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2815 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2808 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2809 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.8 | 2201008-01 | No | County | 2Jackson | 2825 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2805M | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2820 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.4 | 2201028-01 | No | County | 2Jackson | 2801 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2807 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2826 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2828 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2813 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2821 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2802 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2812 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2201031-01RE1 | No | County | 2Jackson | 2819 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.4 | 2201031-01RE1 | No | County | 2Jackson | 2823 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2201031-01RE1 | No | County | 2Jackson | 2824 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2813 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2814 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2808 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.2 | 2201029-01 | No | County | 2Jackson | 2825 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.5 | 2201029-01 | No | County | 2Jackson | 2823 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2201029-01 | No | County | 2Jackson | 2824 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2822 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2819 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2802 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2809 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2803M | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.9 | 2201005-01 | No | County | 2Jackson | 2825 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2804M | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2805M | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2821 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2822 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFDA | Perfluorodecanoic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2807 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.7 | 2304133-01 | No | County | 2Jackson | 2808 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2813 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2820 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.1 | 2201009-01 | No | County | 2Josephine | 2801 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2829 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2806M | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2812 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2821 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2304135-01 | No | County | 2Josephine | 2815 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.7 | 2304135-01 | No | County | 2Josephine | 2801 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2304135-01 | No | County | 2Josephine | 2808 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2802 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2829 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2809 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2820 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2814 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.6 | 2201030-01 | No | County | 2Josephine | 2801 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2826 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2829 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2809 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93909 | MOLALLA RIVER ACADEMY | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2112025-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2820 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.9 | 2112026-01 | No | County | 1Clackamas | 2801 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.5 | 2112026-01 | No | County | 1Clackamas | 2825 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2805M | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.7 | 2112026-01 | No | County | 1Clackamas | 2812 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2305040-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 93970 | CARUS ELEMENTARY | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.8 | 2305040-01 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2826 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.1 | 2110239-01 | No | County | 1Clackamas | 2829 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94601 | RIVERSIDE RV PARK | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 111 | 2110239-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 107 | 2112018-01 | No | County | 1Clackamas | 2816M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2819 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2807 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.7 | 2112018-01 | No | County | 1Clackamas | 2806M | N |
| No | CLACKAMAS COUNTY | Clackamas | 94669 | HOOD VIEW ADVENTIST SCHOOL | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 107 | 2112018-01 | No | County | 1Clackamas | 2824 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2814 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 94992 | SANDY RIDGE HEADSTART | EP-A | EP for WELL | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2112019-01 | No | County | 1Clackamas | 2803M | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2821 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2815 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2808 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2802 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.6 | 2110256-01 | No | County | 1Clackamas | 2823 | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2804M | N |
| No | CLACKAMAS COUNTY | Clackamas | 95124 | CHURCH OF THE RESURRECTION | EP-A | EP FOR WELLS | 10/20/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2110256-01 | No | County | 1Clackamas | 2806M | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2802 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.8 | 2201155-01 | No | County | 1Columbia | 2823 | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.9 | 2201155-01 | No | County | 1Columbia | 2806M | N |
| No | COLUMBIA COUNTY | Columbia | 01043 | CEDAR TREE MOBILE HOME PARK | EP-A | EP FOR WELL | 01/26/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 109 | 2201155-01 | No | County | 1Columbia | 2824 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2813 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2829 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 01/26/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.9 | 2201156-01 | No | County | 1Columbia | 2828 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2813 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2822 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2804M | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2828 | N |
| No | COLUMBIA COUNTY | Columbia | 01310 | TAMARACK MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 05/01/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.59 | 2305037-01 | No | County | 1Columbia | 2812 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2822 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2819 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2807 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2201098-01 | No | County | 1Crook | 2825 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.1 | 2201098-01 | No | County | 1Crook | 2823 | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2804M | N |
| No | CROOK COUNTY | Crook | 01378 | CASCADE PINES MHP | EP-A | EP FOR WELLS | 01/18/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2201098-01 | No | County | 1Crook | 2806M | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2813 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.6 | 2201097-01 | No | County | 1Crook | 2801 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2802 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2201097-01 | No | County | 1Crook | 2825 | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2804M | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2806M | N |
| No | CROOK COUNTY | Crook | 05879 | MCDOUGAL WATER SYSTEM | EP-A | EP FOR WELL | 01/18/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2201097-01 | No | County | 1Crook | 2812 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2821 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2814 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2808 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2826 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2802 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2829 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2803M | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.9 | 2110242-01 | No | Agriculture | 1Clackamas | 2825 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2804M | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.0 | 2110242-01 | No | Agriculture | 1Clackamas | 2806M | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2813 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2822 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2815 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2202013-01 | No | Agriculture | 1Clackamas | 2816M | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2819 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2809 | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2804M | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2805M | N |
| No | DEPT OF AGRICULTURE | Clackamas | 94451 | WILLAMETTE EGG FARMS - CANBY | EP-A | EP FOR WELLS #1 & 3 | 02/01/2022 | 03/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2202013-01 | No | Agriculture | 1Clackamas | 2828 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2813 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2826 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2802 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2829 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2110243-01 | No | Agriculture | 1Marion | 2809 | N |
| No | DEPT OF AGRICULTURE | Marion | 94279 | PNW VEG CO, LLC DBA NORPAC | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2110243-01 | No | Agriculture | 1Marion | 2824 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2822 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2815 | N |
| No | DEPT OF AGRICULTURE | Marion | 95003 | FORUM SALEM CAMPUS | EP-A | EP for WELL | 01/25/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.5 | 2201153-01 | No | Agriculture | 1Marion | 2829 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2820 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2814 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2815 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2802 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2829 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2809 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2803M | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.6 | 2111098-01 | No | Agriculture | 1Umatilla | 2823 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2804M | N |
| No | DEPT OF AGRICULTURE | Umatilla | 90234 | LAKESIDE FOODS | EP-A | EP FOR WELLS #1 & #2 | 11/16/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.7 | 2111098-01 | No | Agriculture | 1Umatilla | 2828 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2814 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2819 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2808 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2829 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2809 | N |
| No | DEPT OF AGRICULTURE | Umatilla | 94562 | LAMB WESTON | EP-A | EP FOR WELLS #1,#2, & #3 | 11/16/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2111102-01 | No | Agriculture | 1Umatilla | 2805M | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2821 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2202022-01 | No | County | 1Deschutes | 2816M | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2808 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2826 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2809 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.2 | 2202022-01 | No | County | 1Deschutes | 2825 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2804M | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2202022-01 | No | County | 1Deschutes | 2806M | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2814 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2815 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2809 | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2805M | N |
| No | DESCHUTES COUNTY | Deschutes | 00086 | BLACK BUTTE RANCH CORPORATION | EP-D | EP FOR WELL #4 | 02/01/2022 | 03/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2202022-03 | No | County | 1Deschutes | 2812 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2815 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.8 | 2201007-01 | No | County | 2Douglas | 2801 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2829 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2201007-01 | No | County | 2Douglas | 2824 | N |
| No | DOUGLAS COUNTY | Douglas | 94108 | RICE HILL OWNERS ASSOCIATION | EP-A | EP FOR WELLS | 01/03/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2201007-01 | No | County | 2Douglas | 2812 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2813 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2821 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2820 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2815 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2819 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2808 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2803M | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.7 | 2201099-01 | No | County | 1Hood River | 2823 | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2806M | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2201099-01 | No | County | 1Hood River | 2805M | N |
| No | HOOD RIVER COUNTY | Hood River | 00586 | ODELL WATER COMPANY | EP-A | EP FOR SPRING/CRYSTAL SPRINGS WD | 01/19/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2201099-01 | No | County | 1Hood River | 2824 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2815 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2201010-01 | No | County | 2Jackson | 2816M | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.7 | 2201010-01 | No | County | 2Jackson | 2801 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.7 | 2201010-01 | No | County | 2Jackson | 2823 | N |
| No | JACKSON COUNTY | Jackson | 00406 | SUNSHINE VILLAGE | EP-A | EP FOR WELLS 3,4, 5,& 6 | 01/03/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2201010-01 | No | County | 2Jackson | 2806M | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2820 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2814 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.5 | 2201008-01 | No | County | 2Jackson | 2801 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2807 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2826 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2802 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2803M | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.5 | 2201008-01 | No | County | 2Jackson | 2823 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2201008-01 | No | County | 2Jackson | 2824 | N |
| No | JACKSON COUNTY | Jackson | 01067 | ROGUE RIVER MOBILE ESTATES | EP-A | EP FOR WELL #1 | 01/03/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2201008-01 | No | County | 2Jackson | 2828 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2813 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2821 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2822 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2802 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2809 | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2804M | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2806M | N |
| No | JACKSON COUNTY | Jackson | 01087 | USFS PROSPECT RANGER STATION | EP-A | EP FOR WELLS | 01/06/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2201028-01 | No | County | 2Jackson | 2805M | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2814 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2815 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2809 | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2803M | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2806M | N |
| No | JACKSON COUNTY | Jackson | 01105 | MOUNTAIN VILLAGE | EP-A | EP FOR WELL #1 | 01/06/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2201031-01 | No | County | 2Jackson | 2805M | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2821 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2820 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2201029-01 | No | County | 2Jackson | 2816M | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2807 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2826 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2802 | N |
| No | JACKSON COUNTY | Jackson | 90670 | PROSPECT VILLAGE | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2201029-01 | No | County | 2Jackson | 2809 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2807 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2201005-01 | No | County | 2Jackson | 2806M | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.7 | 2304133-01 | No | County | 2Jackson | 2816M | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 23.5 | 2304133-01 | No | County | 2Jackson | 2827 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFBA | Perfluorobutanoic acid | ND | 23.5 | 2304133-01 | No | County | 2Jackson | 2819 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.7 | 2304133-01 | No | County | 2Jackson | 2801 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2826 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2802 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.69 | 2304133-01 | No | County | 2Jackson | 2809 | N |
| No | JACKSON COUNTY | Jackson | 94704 | LAKEWOOD SHOPPING CENTER | EP-A | EP for WELL | 04/24/2023 | 06/01/2023 | PFPeA | Perfluoropentanoic acid | ND | 23.5 | 2304133-01 | No | County | 2Jackson | 2824 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2821 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2822 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2814 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2815 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2808 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2802 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.6 | 2201009-01 | No | County | 2Josephine | 2825 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2201009-01 | No | County | 2Josephine | 2804M | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 01/03/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2201009-01 | No | County | 2Josephine | 2824 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2813 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.3 | 2304135-01 | No | County | 2Josephine | 2827 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFDA | Perfluorodecanoic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2807 | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2304135-01 | No | County | 2Josephine | 2803M | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFNA | Perfluorononanoic acid | ND | 4.26 | 2304135-01 | No | County | 2Josephine | 2804M | N |
| No | JOSEPHINE COUNTY | Josephine | 01260 | CAVEMAN MOBILE HOME PARK | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFPeA | Perfluoropentanoic acid | ND | 21.3 | 2304135-01 | No | County | 2Josephine | 2824 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2813 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2802 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.8 | 2201030-01 | No | County | 2Josephine | 2825 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.6 | 2201030-01 | No | County | 2Josephine | 2823 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2201030-01 | No | County | 2Josephine | 2824 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2822 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 12.0 | 2304136-01 | No | County | 2Josephine | 2815 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFDoA | Perfluorododecanoic acid | ND | 12.0 | 2304136-01 | No | County | 2Josephine | 2808 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 24.0 | 2304136-01 | No | County | 2Josephine | 2823 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2805M | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFPeA | Perfluoropentanoic acid | ND | 24.0 | 2304136-01 | No | County | 2Josephine | 2824 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2828 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2820 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2815 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2201116-01 | No | County | 2Klamath | 2816M | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2803M | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2805M | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2812 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2820 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.7 | 2201108-01 | No | County | 2Klamath | 2801 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2802 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2201108-01 | No | County | 2Klamath | 2825 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2804M | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2805M | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2828 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2820 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2803M | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2806M | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2805M | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2828 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2820 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2202021-03 | No | County | 2Klamath | 2816M | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2819 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2807 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2826 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2802 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2809 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.5 | 2202021-03 | No | County | 2Klamath | 2825 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2804M | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2806M | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2805M | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2812 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2821 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2820 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2819 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.7 | 2201107-01 | No | County | 2Klamath | 2801 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2808 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2804M | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2806M | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2819 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2826 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2809 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2828 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2812 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 9.77 | 2305123-01 | No | County | 2Klamath | 2815 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 19.5 | 2305123-01 | No | County | 2Klamath | 2827 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFDoA | Perfluorododecanoic acid | ND | 9.77 | 2305123-01 | No | County | 2Klamath | 2808 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFHpA | Perfluoroheptanoic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2802 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2821 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2806M | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 107 | 2201122-01 | No | County | 2Klamath | 2824 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2815 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.7 | 2201115-01 | No | County | 2Klamath | 2825 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2805M | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2828 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 44.5 | 2112068-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 111 | 2112068-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 23.3 | 2304134-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2112067-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.4 | 2112067-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.6 | 2112070-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2112070-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.6 | 2112070-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2112070-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFDA | Perfluorodecanoic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2304138-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFOS | Perfluorooctanesulfonic acid | 7.25 | 4.30 | 2304138-01 | No | County | 2Lane | 2805M | DE |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFPeA | Perfluoropentanoic acid | ND | 21.5 | 2304138-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.2 | 2112076-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.4 | 2112076-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2112076-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.5 | 2201119-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2201119-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.6 | 2112071-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2112071-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 22.7 | 2304139-01 | No | County | 2Lane | 2827 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.4 | 2304139-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2112072-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.7 | 2112075-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.4 | 2112077-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.4 | 2112077-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 109 | 2112077-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 22.0 | 2304143-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.0 | 2304143-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.0 | 2304143-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | 10.7 | 4.40 | 2304143-01 | No | County | 2Lane | 2805M | DE |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.0 | 2112077-03 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.4 | 2306019-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFBA | Perfluorobutanoic acid | ND | 20.8 | 2306019-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2306019-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2306019-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFOA | Perfluorooctanoic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 107 | 2112065-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.3 | 2304140-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFNA | Perfluorononanoic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 107 | 2112066-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.8 | 2112066-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.4 | 2112069-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.1 | 2201120-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2828 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2203060-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.2 | 2304147-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 22.4 | 2304147-01 | No | County | 2Linn | 2827 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.2 | 2304147-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 22.4 | 2304147-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | 19.7 | 4.49 | 2304147-01 | No | County | 2Linn | 2805M | DE |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.4 | 2203059-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2203059-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2204034-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.6 | 2204034-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 12.1 | 2304146-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 24.1 | 2304146-01 | No | County | 2Linn | 2827 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | 15.2 | 12.1 | 2304146-01 | No | County | 2Linn | 2801 | D |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 24.1 | 2304146-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 24.1 | 2304146-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFBA | Perfluorobutanoic acid | ND | 21.1 | 2305060-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.5 | 2305060-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFDA | Perfluorodecanoic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFOA | Perfluorooctanoic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.6 | 2202020-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 108 | 2202020-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.7 | 2304144-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.7 | 2304144-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 23.4 | 2304144-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.0 | 2304144-03 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.3 | 2201149-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 108 | 2201149-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.5 | 2201109-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.7 | 2304145-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.7 | 2304145-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2805M | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 109 | 2201113-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.8 | 2201113-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2805M | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2112080-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 112 | 2201148-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 44.7 | 2201148-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2805M | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 107 | 2201110-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.4 | 2201110-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 107 | 2201110-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2304142-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFPeA | Perfluoropentanoic acid | ND | 21.0 | 2304142-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 49.6 | 2201152-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2805M | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 108 | 2110245-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.2 | 2110245-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2305039-01 | No | County | 1Marion | 2803M | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFOA | Perfluorooctanoic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2806M | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 45.5 | 2110200-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.6 | 2110203-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2802 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2110203-01 | No | County | 1Marion | 2824 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2806M | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 44.9 | 2110246-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.5 | 2110246-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 44.9 | 2110246-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.9 | 2110248-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2802 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2809 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2803M | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2806M | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.6 | 2305038-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 23.2 | 2305038-01 | No | County | 1Marion | 2827 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFBA | Perfluorobutanoic acid | ND | 23.2 | 2305038-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2809 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2809 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2806M | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2809 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2806M | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 108 | 2201154-01 | No | County | 1Marion | 2824 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 108 | 2110201-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2803M | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.7 | 2110201-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | 34 | 10.5 | 2110247-01 | No | County | 1Marion | 2809 | D |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2110247-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2806M | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.31 | 2305059-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.31 | 2305059-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.8 | 2305059-01 | No | County | 1Marion | 2816M | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.5 | 2305059-01 | No | County | 1Marion | 2827 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.8 | 2305059-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.31 | 2305059-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 44.4 | 2110244-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2809 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2804M | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2821 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.2 | 2112017-01 | No | County | 1Multnomah | 2801 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2808 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2802 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2809 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2112017-01 | No | County | 1Multnomah | 2824 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2828 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2812 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 24.5 | 2305042-01 | No | County | 1Multnomah | 2827 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2829 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2809 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFOS | Perfluorooctanesulfonic acid | 10.6 | 4.89 | 2305042-01 | No | County | 1Multnomah | 2805M | DE |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFPeA | Perfluoropentanoic acid | ND | 24.5 | 2305042-01 | No | County | 1Multnomah | 2824 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2828 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2820 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2815 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2802 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2803M | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2825 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2805M | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2828 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2827 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2801 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2823 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2804M | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2827 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.64 | 2508268-01 | No | County | 1Multnomah | 2819 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2823 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2828 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2821 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2820 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2815 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.74 | 2508266-01 | No | County | 1Multnomah | 2819 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2829 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2809 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | 3.86 | 2.30 | 2508266-01 | No | County | 1Multnomah | 2803M | D |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2823 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2821 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2820 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2815 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 108 | 2201157-01 | No | County | 1Multnomah | 2816M | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2807 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2826 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2802 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2829 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2813 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2814 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2802 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2804M | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2828 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2812 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2822 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2808 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2802 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2805M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2820 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.1 | 2305041-01 | No | State | 1Clackamas | 2815 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFBA | Perfluorobutanoic acid | ND | 22.2 | 2305041-01 | No | State | 1Clackamas | 2819 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2826 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2802 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.2 | 2305041-01 | No | State | 1Clackamas | 2825 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFPeA | Perfluoropentanoic acid | ND | 22.2 | 2305041-01 | No | State | 1Clackamas | 2824 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2813 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2803M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2806M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 110 | 2110238-02 | No | State | 1Clackamas | 2824 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2812 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2813 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2820 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2822 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2815 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.6 | 2110238-03 | No | State | 1Clackamas | 2801 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2826 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2806M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2805M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2110238-03 | No | State | 1Clackamas | 2824 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2808 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.8 | 2201062-01 | No | State | 1Columbia | 2825 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2805M | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2814 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2812 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2813 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2821 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2201095-01 | No | State | 1Crook | 2816M | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2806M | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2828 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.1 | 2201114-01 | No | State | 1Deschutes | 2801 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2829 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2806M | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2819 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.9 | 2201100-01 | No | State | 1Gilliam | 2801 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2826 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.9 | 2201100-01 | No | State | 1Gilliam | 2823 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2806M | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2807 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.7 | 2112082-01 | No | State | 1Grant | 2823 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2806M | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2812 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2813 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2821 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2820 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2822 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2815 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2807 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2808 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.8 | 2111118-01 | No | State | 1Harney | 2823 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2804M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2812 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2813 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2111118-05 | No | State | 1Harney | 2816M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2819 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2807 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.6 | 2111118-05 | No | State | 1Harney | 2825 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2822 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2815 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 108 | 2207242-01 | No | State | 1Harney | 2816M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2829 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2809 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2822 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2307095-01 | No | State | 1Harney | 2808 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2802 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2829 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2307095-01 | No | State | 1Harney | 2803M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFNA | Perfluorononanoic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2804M | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2802 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2809 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2201093-01 | No | State | 1Jefferson | 2824 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2820 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2814 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2819 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 01/06/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2201030-01 | No | County | 2Josephine | 2806M | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2813 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFDA | Perfluorodecanoic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2807 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.80 | 2304136-01 | No | County | 2Josephine | 2809 | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 12.0 | 2304136-01 | No | County | 2Josephine | 2803M | N |
| No | JOSEPHINE COUNTY | Josephine | 94765 | BECKLIN HOLDINGS INC | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 24.0 | 2304136-01 | No | County | 2Josephine | 2825 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2821 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2822 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2819 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.0 | 2201116-01 | No | County | 2Klamath | 2801 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2807 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2826 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2802 | N |
| No | KLAMATH COUNTY | Klamath | 00129 | BLY WATER DISTRICT | EP-A | EP FOR WELLS | 01/19/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2201116-01 | No | County | 2Klamath | 2828 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2813 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2201108-01 | No | County | 2Klamath | 2816M | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2808 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2809 | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2201108-01 | No | County | 2Klamath | 2803M | N |
| No | KLAMATH COUNTY | Klamath | 00184 | CHILOQUIN MUNICIPAL WATER DEPT | EP-A | EP FOR WELL #1 | 01/19/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.7 | 2201108-01 | No | County | 2Klamath | 2823 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2821 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-A | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2202021-01 | No | County | 2Klamath | 2814 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2813 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2822 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2815 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.0 | 2202021-03 | No | County | 2Klamath | 2801 | N |
| No | KLAMATH COUNTY | Klamath | 00320 | GILCHRIST WATER SYSTEM LLC | EP-B | EP FOR WELL #3 | 02/01/2022 | 03/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2202021-03 | No | County | 2Klamath | 2828 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2813 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2822 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2201107-01 | No | County | 2Klamath | 2825 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.7 | 2201107-01 | No | County | 2Klamath | 2823 | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2805M | N |
| No | KLAMATH COUNTY | Klamath | 00425 | KENO WATER CO INC | EP-C | EP FOR WELL #3 | 01/20/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2201107-01 | No | County | 2Klamath | 2812 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2813 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2820 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2822 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2814 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2201117-01 | No | County | 2Klamath | 2816M | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.6 | 2201117-01 | No | County | 2Klamath | 2801 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2802 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 01/19/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2201117-01 | No | County | 2Klamath | 2829 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 9.77 | 2305123-01 | No | County | 2Klamath | 2801 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFPeA | Perfluoropentanoic acid | ND | 19.5 | 2305123-01 | No | County | 2Klamath | 2824 | N |
| No | KLAMATH COUNTY | Klamath | 00450 | LAKESIDE MOBILE HOME & RV PARK | EP-A | EP for WELL #1 | 05/10/2023 | 06/09/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 3.91 | 2305123-01 | No | County | 2Klamath | 2828 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2820 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2822 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2819 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2807 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2802 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2809 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.4 | 2201122-01 | No | County | 2Klamath | 2825 | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2804M | N |
| No | KLAMATH COUNTY | Klamath | 93995 | SWISS KRONO OR LLC | EP-A | EP FOR WELLS 4 & 5 | 01/20/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.7 | 2201122-01 | No | County | 2Klamath | 2812 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2821 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2201115-01 | No | County | 2Klamath | 2816M | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2201115-01 | No | County | 2Klamath | 2809 | N |
| No | KLAMATH COUNTY | Klamath | 94555 | JELD WEN INC | EP-A | EP FOR WELLS | 01/19/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.5 | 2201115-01 | No | County | 2Klamath | 2823 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 111 | 2112068-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.2 | 2112068-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.1 | 2112068-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.6 | 2304134-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFBA | Perfluorobutanoic acid | ND | 23.3 | 2304134-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.6 | 2304134-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.6 | 2304134-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 23.3 | 2304134-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFOA | Perfluorooctanoic acid | ND | 4.65 | 2304134-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 00237 | HILLTOP IMPROVEMENT DISTRICT | EP-A | EP for WELL | 04/25/2023 | 06/01/2023 | PFPeA | Perfluoropentanoic acid | ND | 23.3 | 2304134-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.4 | 2112067-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2112067-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 00238 | LAMONTAI IMPROVEMENT WTR DIST | EP-A | EP FOR WELLS #1, 2, 7, & 14-16 (N TANK) | 12/07/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2112067-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 12/07/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2112070-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2304138-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.7 | 2304138-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.5 | 2304138-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFNA | Perfluorononanoic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 00240 | RIVERSTONE MOBILE HOME PARK | EP-A | EP FOR WELLS #1 & #2 | 04/25/2023 | 06/01/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.30 | 2304138-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 00423 | PRAIRIE WINDS OF JUNCTION CITY LLC | EP-A | EP for WELL #1 | 12/08/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2112076-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 46.0 | 2112078-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 12/08/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.5 | 2112078-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2201119-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.8 | 2201119-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 00941 | WESTRIDGE WATER DISTRICT | EP-A | EP FOR WELL #2 | 01/20/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2201119-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2112071-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 12/07/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.6 | 2112071-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.4 | 2304139-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.4 | 2304139-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.54 | 2304139-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.4 | 2304139-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 00995 | EMERALD VALLEY MH & RV PARK | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 22.7 | 2304139-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.0 | 2112072-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 00996 | SAGINAW PARK WATER SYSTEM | EP-A | EP FOR WELL #2 | 12/07/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2112072-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.8 | 2112075-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2112075-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 01002 | KOUNTRY VILLAGE | EP-B | EP FOR WELL #3 | 12/08/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2112075-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.7 | 2112077-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 12/08/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.9 | 2112077-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.0 | 2304143-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.0 | 2304143-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 22.0 | 2304143-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.40 | 2304143-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 12/08/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2112077-03 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2813 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFDA | Perfluorodecanoic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 20.8 | 2306019-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 01003 | TIVOLI MOBILE HOME PARK | EP-B | EP FOR WELL #2 | 06/01/2023 | 07/18/2023 | PFNA | Perfluorononanoic acid | ND | 4.16 | 2306019-01 | No | County | 2Lane | 2804M | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2802 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 107 | 2112065-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 12/09/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.7 | 2112065-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 22.5 | 2304140-01 | No | County | 2Lane | 2827 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFBA | Perfluorobutanoic acid | ND | 22.5 | 2304140-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2809 | N |
| No | LANE COUNTY | Lane | 01063 | EUGENE MOBILE VILLAGE | EP-A | EP FOR WELL | 04/25/2023 | 06/01/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.51 | 2304140-01 | No | County | 2Lane | 2828 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2803M | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.8 | 2112066-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 107 | 2112066-01 | No | County | 2Lane | 2824 | N |
| No | LANE COUNTY | Lane | 91810 | FERN RIDGE MIDDLE SCHOOL | EP-A | EP for WELL | 12/09/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.7 | 2112066-01 | No | County | 2Lane | 2812 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 44.7 | 2112069-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2808 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 44.7 | 2112069-01 | No | County | 2Lane | 2823 | N |
| No | LANE COUNTY | Lane | 91826 | LATHAM ELEMENTARY SD 45J3 | EP-A | EP for WELL | 12/07/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.2 | 2112069-01 | No | County | 2Lane | 2805M | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2822 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2815 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.8 | 2201121-01 | No | County | 2Lane | 2801 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2807 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2826 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.9 | 2201121-01 | No | County | 2Lane | 2825 | N |
| No | LANE COUNTY | Lane | 92813 | USFS MIDDLE FORK RS | EP-A | EP for WELL | 01/20/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.9 | 2201121-01 | No | County | 2Lane | 2806M | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2821 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2820 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2814 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 110 | 2201120-01 | No | County | 2Lane | 2816M | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2819 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2829 | N |
| No | LANE COUNTY | Lane | 94800 | REXIUS - COBURG | EP-A | EP FOR WELL #3 | 01/20/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.0 | 2201120-01 | No | County | 2Lane | 2809 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2203060-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2203060-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 03/16/2022 | 03/29/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.6 | 2203060-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.2 | 2304147-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 00004 | ALBANY TRAILER AND RV PARK, LLC | EP-A | EP for WELL | 04/26/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.49 | 2304147-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 03/16/2022 | 03/29/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2203059-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2204034-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/04/2022 | 05/13/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2204034-01RE1 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.82 | 2304146-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 12.1 | 2304146-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 24.1 | 2304146-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 00029 | PERIWINKLE MOBILE HOME PARK | EP-A | EP FOR WELL | 04/26/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | 18 | 4.82 | 2304146-01 | No | County | 2Linn | 2805M | DE |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.9 | 2201158-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2805M | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 110 | 2201158-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 01/24/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.0 | 2201158-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2305060-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.1 | 2305060-01 | No | County | 2Linn | 2827 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.1 | 2305060-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 00223 | WHISPERING PINES MOBILE LODGE | EP-A | EP FOR WELL | 05/04/2023 | 06/09/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.21 | 2305060-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 02/01/2022 | 03/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2202020-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2829 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 23.4 | 2304144-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-A | EP FOR WELL #1 | 04/26/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.68 | 2304144-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.1 | 2202020-03 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2202020-03 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.1 | 2202020-03 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2202020-03 | No | County | 2Linn | 2805M | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 02/01/2022 | 03/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2202020-03 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.0 | 2304144-03 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 22.1 | 2304144-03 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.1 | 2304144-03 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | 8.56 | 4.42 | 2304144-03 | No | County | 2Linn | 2805M | DE |
| No | LINN COUNTY | Linn | 00476 | SANTIAM VILLAGE | EP-B | EP FOR WELL #2 | 04/26/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.42 | 2304144-03 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2802 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2803M | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.7 | 2201149-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 01429 | LAKE CREEK RANCH MHC | EP-C | EP FOR WELL #3 | 01/25/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.8 | 2201149-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 44.9 | 2201109-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 01/18/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.2 | 2201109-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 11.7 | 2304145-01 | No | County | 2Linn | 2816M | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 23.3 | 2304145-01 | No | County | 2Linn | 2827 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 23.3 | 2304145-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 23.3 | 2304145-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 01514 | TWIN CEDARS MHP | EP-A | EP FOR WELL (L66704) | 04/26/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.67 | 2304145-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2821 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 91660 | CASCADES ELEMENTARY | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.9 | 2201113-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2814 | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 91700 | PIONEER VILLA | EP-A | EP FOR WELL (97) | 12/08/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2112080-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2820 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 11.2 | 2201148-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 94873 | FRANK LUMBER CO INC | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 112 | 2201148-01 | No | County | 2Linn | 2824 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2808 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFOA | Perfluorooctanoic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2806M | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 01/18/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.7 | 2201110-01 | No | County | 2Linn | 2828 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2304142-01 | No | County | 2Linn | 2815 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFBA | Perfluorobutanoic acid | ND | 21.0 | 2304142-01 | No | County | 2Linn | 2819 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.5 | 2304142-01 | No | County | 2Linn | 2801 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFDA | Perfluorodecanoic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2807 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.0 | 2304142-01 | No | County | 2Linn | 2823 | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFNA | Perfluorononanoic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2804M | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2805M | N |
| No | LINN COUNTY | Linn | 94926 | SANTIAM LUMBER #2 | EP-A | EP for WELL #5 | 04/26/2023 | 06/01/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.19 | 2304142-01 | No | County | 2Linn | 2812 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2813 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2822 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2826 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2809 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 24.8 | 2201152-01 | No | County | 2Linn | 2825 | N |
| No | LINN COUNTY | Linn | 95566 | BARENBRUG WATER SYSTEM | EP-A | EP FOR WELL | 01/25/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 12.4 | 2201152-01 | No | County | 2Linn | 2804M | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.2 | 2110245-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2809 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2803M | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.8 | 2110245-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2305039-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.5 | 2305039-01 | No | County | 1Marion | 2827 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFDA | Perfluorodecanoic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2305039-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2802 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.5 | 2305039-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFPeA | Perfluoropentanoic acid | ND | 21.5 | 2305039-01 | No | County | 1Marion | 2824 | N |
| No | MARION COUNTY | Marion | 00067 | AURORA, CITY OF | EP-A | EP FOR WELLS #4 & #5 | 05/02/2023 | 06/09/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.31 | 2305039-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.4 | 2110200-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 00391 | HOODVIEW MOBILE ESTATES | EP-A | EP FOR WELLS | 10/18/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 114 | 2110200-01 | No | County | 1Marion | 2824 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 00392 | OLDS MOBILE PARK | EP-A | EP FOR WELL #1 | 10/18/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2110203-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 00498 | MCNARY OAKS MOBILE VILLA | EP-A | EP FOR WELL | 10/18/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.1 | 2110198-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2803M | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2805M | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 112 | 2110246-01 | No | County | 1Marion | 2824 | N |
| No | MARION COUNTY | Marion | 00727 | ST PAUL, CITY OF | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.2 | 2110246-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2808 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.9 | 2110248-01 | No | County | 1Marion | 2823 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2110248-01 | No | County | 1Marion | 2824 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2110248-01 | No | County | 1Marion | 2828 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2822 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.6 | 2305038-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFNA | Perfluorononanoic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 00762 | BREWSTER COMMUNITY HOMEOWNERS | EP-A | EP for WELL | 05/02/2023 | 06/09/2023 | PFOA | Perfluorooctanoic acid | ND | 4.63 | 2305038-01 | No | County | 1Marion | 2806M | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2814 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.8 | 2202015-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2803M | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.9 | 2202015-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 109 | 2202015-01 | No | County | 1Marion | 2824 | N |
| No | MARION COUNTY | Marion | 00776 | LGC MEADOWLARK MANOR LLC | EP-A | EP for WELL #1 (PRIMARY) | 02/01/2022 | 03/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.9 | 2202015-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2821 | N |
| No | MARION COUNTY | Marion | 00844 | SUBLIMITY, CITY OF | EP-A | EP FOR WELLFIELD (WELLS #1,2,3, &4) | 01/25/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.8 | 2201154-01 | No | County | 1Marion | 2802 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2820 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.3 | 2110201-01 | No | County | 1Marion | 2801 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2807 | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2804M | N |
| No | MARION COUNTY | Marion | 00960 | OR YOUTH AUTHORITY - MACLAREN | EP-A | EP FOR WELLS #1 & #3 | 10/18/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.8 | 2110201-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2110247-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.31 | 2305059-01 | No | County | 1Marion | 2813 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2305059-01 | No | County | 1Marion | 2815 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFBA | Perfluorobutanoic acid | ND | 21.5 | 2305059-01 | No | County | 1Marion | 2819 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFHpA | Perfluoroheptanoic acid | 20 | 4.31 | 2305059-01 | No | County | 1Marion | 2802 | D |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.31 | 2305059-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.5 | 2305059-01 | No | County | 1Marion | 2825 | N |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFOA | Perfluorooctanoic acid | 8.9 | 4.31 | 2305059-01 | No | County | 1Marion | 2806M | DE |
| No | MARION COUNTY | Marion | 01097 | LAKEWOOD HOMEOWNERS | EP-A | EP FOR WELLS | 05/04/2023 | 06/09/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.31 | 2305059-01 | No | County | 1Marion | 2812 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2826 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2829 | N |
| No | MARION COUNTY | Marion | 94604 | REWORLD MARION | EP-A | EP FOR WELL FIELD (EAST/WEST WELLS) | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.1 | 2110244-01 | No | County | 1Marion | 2806M | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2112017-01 | No | County | 1Multnomah | 2816M | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2829 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2112017-01 | No | County | 1Multnomah | 2803M | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFDA | Perfluorodecanoic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2807 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFDoA | Perfluorododecanoic acid | ND | 12.2 | 2305042-01 | No | County | 1Multnomah | 2808 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2826 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2802 | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 12.2 | 2305042-01 | No | County | 1Multnomah | 2803M | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFOA | Perfluorooctanoic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2806M | N |
| No | MULTNOMAH COUNTY | Multnomah | 00984 | MOBILE VILLAGE MHP LLC | EP-A | EP FOR WELL | 05/02/2023 | 06/09/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.89 | 2305042-01 | No | County | 1Multnomah | 2812 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.39 | 2508233-01 | No | County | 1Multnomah | 2819 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2807 | N |
| No | MULTNOMAH COUNTY | Multnomah | 01251 | ROCKY POINTE MARINA | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.16 | 2508233-01 | No | County | 1Multnomah | 2826 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2820 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2822 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2814 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2815 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2816M | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2808 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2826 | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2803M | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2806M | N |
| No | MULTNOMAH COUNTY | Multnomah | 06054 | BIG OAK MARINA | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.22 | 2508265-01 | No | County | 1Multnomah | 2828 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2814 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2816M | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2807 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2802 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2825 | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2805M | N |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | 5.39 | 2.25 | 2508268-01 | No | County | 1Multnomah | 2824 | D |
| No | MULTNOMAH COUNTY | Multnomah | 90590 | SAUVIE ISLAND SCHOOL | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.25 | 2508268-01 | No | County | 1Multnomah | 2812 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2813 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2822 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2827 | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2806M | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2805M | N |
| No | MULTNOMAH COUNTY | Multnomah | 91953 | SKYLINE ELEMENTARY SD 1J | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.30 | 2508266-01 | No | County | 1Multnomah | 2812 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2822 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2814 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.4 | 2201157-01 | No | County | 1Multnomah | 2801 | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.8 | 2201157-01 | No | County | 1Multnomah | 2806M | N |
| No | MULTNOMAH COUNTY | Multnomah | 94453 | ASH GROVE CEMENT WEST-RVRGATE | EP-A | EP for WELL | 01/26/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 108 | 2201157-01 | No | County | 1Multnomah | 2824 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2822 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2815 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2808 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2809 | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.7 | 2112087-01 | No | State | 1Baker | 2806M | N |
| No | REGION 1 | Baker | 90004 | ASH GROVE CEMENT DURKEE PLANT | EP-A | EP FOR WELLS #1 & #2 | 12/08/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 87.1 | 2112087-01RE2 | No | State | 1Baker | 2823 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2813 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2814 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2815 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 107 | 2110238-01 | No | State | 1Clackamas | 2816M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2807 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2826 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.7 | 2110238-01 | No | State | 1Clackamas | 2828 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2822 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 22.2 | 2305041-01 | No | State | 1Clackamas | 2827 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2809 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.1 | 2305041-01 | No | State | 1Clackamas | 2803M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFOA | Perfluorooctanoic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2806M | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/02/2023 | 06/09/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.43 | 2305041-01 | No | State | 1Clackamas | 2812 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2822 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 44.0 | 2110238-02 | No | State | 1Clackamas | 2801 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-B | EP FOR WELL #2 | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.0 | 2110238-02 | No | State | 1Clackamas | 2829 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2819 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2809 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.6 | 2110238-03 | No | State | 1Clackamas | 2823 | N |
| No | REGION 1 | Clackamas | 00461 | RIVERGROVE WATER DISTRICT | EP-C | EP FOR OLSON WELL | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2110238-03 | No | State | 1Clackamas | 2812 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2813 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2821 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2820 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2822 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2807 | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2806M | N |
| No | REGION 1 | Columbia | 00689 | CITY OF RAINIER | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.4 | 2201062-01 | No | State | 1Columbia | 2828 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2201061-01 | No | State | 1Columbia | 2819 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2201061-01 | No | State | 1Columbia | 2825 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.2 | 2201061-01 | No | State | 1Columbia | 2823 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2201061-01 | No | State | 1Columbia | 2824 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2813 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2815 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2201061-01RE1 | No | State | 1Columbia | 2816M | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.2 | 2201061-01RE1 | No | State | 1Columbia | 2801 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2808 | N |
| No | REGION 1 | Columbia | 05246 | PGE BEAVER GENERATING STATION | EP-A | EP FOR COLUMBIA RIVER | 01/11/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2201061-01RE1 | No | State | 1Columbia | 2803M | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2822 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2814 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2807 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2808 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2829 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.7 | 2201095-01 | No | State | 1Crook | 2823 | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2805M | N |
| No | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 01/18/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2201095-01 | No | State | 1Crook | 2812 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2821 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2815 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2819 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2826 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2803M | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.1 | 2201114-01 | No | State | 1Deschutes | 2823 | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2201114-01 | No | State | 1Deschutes | 2805M | N |
| No | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 01/19/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2201114-01 | No | State | 1Deschutes | 2824 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2820 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2808 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2829 | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2201100-01 | No | State | 1Gilliam | 2803M | N |
| No | REGION 1 | Gilliam | 06024 | CONDON HEIGHTS WS | EP-A | EP for WELL | 01/18/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.9 | 2201100-01 | No | State | 1Gilliam | 2825 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2821 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2820 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.7 | 2112082-01 | No | State | 1Grant | 2801 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2802 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2809 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.4 | 2112082-01 | No | State | 1Grant | 2825 | N |
| No | REGION 1 | Grant | 00410 | JOHN DAY, CITY OF | EP-A | EP FOR LONG GULCH SPRINGS | 12/09/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.7 | 2112082-01 | No | State | 1Grant | 2805M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2814 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2819 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2829 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.4 | 2111118-01 | No | State | 1Harney | 2825 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-A | EP FOR WELLFIELD (WELLS #1 & #2) | 11/15/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2111118-01 | No | State | 1Harney | 2805M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2820 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2809 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.2 | 2111118-05 | No | State | 1Harney | 2823 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2806M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-B | EP for WELL #3 | 11/15/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2111118-05 | No | State | 1Harney | 2828 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2820 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2819 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2807 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2808 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2826 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2803M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.8 | 2207242-01 | No | State | 1Harney | 2804M | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.8 | 2207242-01RE1 | No | State | 1Harney | 2813 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/25/2022 | 09/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.8 | 2207242-01RE1 | No | State | 1Harney | 2814 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2813 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.02 | 2307095-01 | No | State | 1Harney | 2814 | N |
| No | REGION 1 | Harney | 00153 | BURNS WATER DEPARTMENT | EP-C | EP for WELL #4 | 07/12/2023 | 08/09/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.1 | 2307095-01 | No | State | 1Harney | 2825 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2813 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2820 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2822 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2815 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2807 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2808 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.5 | 2201093-01 | No | State | 1Jefferson | 2823 | N |
| No | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 01/19/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2201093-01 | No | State | 1Jefferson | 2805M | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2813 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2822 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2802 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2829 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2813 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2820 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2110202-01 | No | State | 1Marion | 2816M | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2819 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2808 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2805M | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.2 | 2201065-01 | No | State | 1Marion | 2825 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.5 | 2201065-01 | No | State | 1Marion | 2823 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2201065-01 | No | State | 1Marion | 2824 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2813 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2814 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2201065-01RE1 | No | State | 1Marion | 2816M | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2802 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2813 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2820 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2807 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2826 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.5 | 2111103-01 | No | State | 1Morrow | 2823 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2804M | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2812 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2822 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2802 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.8 | 2112020-01 | No | State | 1Multnomah | 2825 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.5 | 2112020-01 | No | State | 1Multnomah | 2823 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2828 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2813 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2814 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.4 | 2305044-01 | No | State | 1Multnomah | 2827 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2305044-01 | No | State | 1Multnomah | 2803M | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2805M | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2821 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.2 | 2112015-01 | No | State | 1Multnomah | 2823 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2804M | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2112015-01 | No | State | 1Multnomah | 2824 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2813 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2814 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2815 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2809 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2803M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.9 | 2112016-01 | No | State | 1Multnomah | 2825 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2828 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2820 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2814 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFBA | Perfluorobutanoic acid | ND | 21.0 | 2305043-01 | No | State | 1Multnomah | 2819 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.5 | 2305043-01 | No | State | 1Multnomah | 2801 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2305043-01 | No | State | 1Multnomah | 2803M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2812 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2814 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2112016-03 | No | State | 1Multnomah | 2816M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2808 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2829 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.0 | 2112016-03 | No | State | 1Multnomah | 2825 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.0 | 2112016-03 | No | State | 1Multnomah | 2823 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2813 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2814 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFDA | Perfluorodecanoic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2807 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.0 | 2305043-03 | No | State | 1Multnomah | 2808 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.0 | 2305043-03 | No | State | 1Multnomah | 2803M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFOA | Perfluorooctanoic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2806M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFPeA | Perfluoropentanoic acid | ND | 21.9 | 2305043-03 | No | State | 1Multnomah | 2824 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2828 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2819 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFDA | Perfluorodecanoic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2807 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2808 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2809 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFNA | Perfluorononanoic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2804M | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 107 | 2201147-01 | No | State | 1Polk | 2824 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2807 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2808 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2809 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2803M | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2806M | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2828 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2207176-01RE1 | No | State | 1Polk | 2814 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2819 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 44.1 | 2112011-01 | No | State | 1Tillamook | 2801 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2806M | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 110 | 2112011-01 | No | State | 1Tillamook | 2824 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2828 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2822 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2814 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2807 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2809 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 110 | 2112011-03 | No | State | 1Tillamook | 2824 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2813 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.9 | 2111097-01 | No | State | 1Umatilla | 2823 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2812 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2822 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.7 | 2304157-01 | No | State | 1Umatilla | 2816M | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.4 | 2304157-01 | No | State | 1Umatilla | 2827 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2829 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2304157-01 | No | State | 1Umatilla | 2803M | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2804M | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2806M | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | 8.41 | 4.27 | 2304157-01 | No | State | 1Umatilla | 2805M | DE |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 21.4 | 2304157-01 | No | State | 1Umatilla | 2824 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2828 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2820 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2822 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.5 | 2111096-01 | No | State | 1Umatilla | 2823 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2812 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2829 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.1 | 2111099-01 | No | State | 1Umatilla | 2823 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2805M | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2812 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2829 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 22.3 | 2304158-01 | No | State | 1Umatilla | 2824 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2812 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.1 | 2111100-01 | No | State | 1Umatilla | 2801 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2807 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2826 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2802 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2829 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2803M | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2804M | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2805M | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2111100-01 | No | State | 1Umatilla | 2824 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2813 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2821 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2822 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2815 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2808 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.2 | 2111093-01 | No | State | 1Umatilla | 2823 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2806M | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2805M | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2812 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2820 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2822 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2808 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2809 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2803M | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2804M | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2806M | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2805M | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2821 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2820 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2822 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2807 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2826 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2829 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2806M | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2821 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2819 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2808 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2826 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2829 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2803M | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2820 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2822 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2815 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2819 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.6 | 2201138-01 | No | State | 1Umatilla | 2801 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2829 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2201138-01 | No | State | 1Umatilla | 2825 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2806M | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2812 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2814 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2819 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2802 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2803M | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2806M | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2805M | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2821 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2820 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2822 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 45.0 | 2110240-01 | No | State | 1Washington | 2801 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2808 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2826 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2802 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2829 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2804M | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2805M | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 113 | 2110240-01 | No | State | 1Washington | 2824 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2812 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2813 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2822 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2807 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2826 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2802 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2829 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.4 | 2201096-01 | No | State | 1Wheeler | 2823 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2805M | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2828 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2814 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2809 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2806M | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2828 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2812 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.0 | 2201150-01 | No | State | 1Yamhill | 2801 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2829 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFNA | Perfluorononanoic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2804M | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2805M | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2812 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2822 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2819 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2807 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2806M | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2201066-01 | No | State | 2Benton | 2824 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2822 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2819 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2802 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2829 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2803M | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.8 | 2207175-01 | No | State | 2Coos | 2825 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFNA | Perfluorononanoic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2804M | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2805M | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2814 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.3 | 2202099-01RE1 | No | State | 2Douglas | 2801 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2807 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2826 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.3 | 2202099-01RE1 | No | State | 2Douglas | 2823 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2820 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2815 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.0 | 2202097-01RE1 | No | State | 2Douglas | 2825 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2812 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2813 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2815 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2819 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.1 | 2202098-01RE1 | No | State | 2Douglas | 2801 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2803M | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFNA | Perfluorononanoic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2804M | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.7 | 2201068-01 | No | State | 2Douglas | 2825 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2201068-01 | No | State | 2Douglas | 2824 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2809 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2803M | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2805M | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2820 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2820 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2814 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2815 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2819 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2809 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2828 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2819 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2829 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.3 | 2202100-01RE1 | No | State | 2Douglas | 2823 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2805M | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2822 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2202101-01RE1 | No | State | 2Douglas | 2816M | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2807 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2826 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2802 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2809 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.5 | 2202101-01RE1 | No | State | 2Douglas | 2825 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2805M | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2202101-01RE1 | No | State | 2Douglas | 2824 | N |
| No | REGION 2 | Douglas | 94300 | ROSEBURG FOREST PROD - DILLARD | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2202101-01RE1 | No | State | 2Douglas | 2812 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2813 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2822 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2814 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2201067-01 | No | State | 2Jackson | 2816M | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.4 | 2201067-01 | No | State | 2Jackson | 2801 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2829 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2828 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2820 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2802 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.4 | 2201006-01 | No | State | 2Jackson | 2823 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2805M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2813 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2820 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2814 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.0 | 2304132-01 | No | State | 2Jackson | 2815 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 22.0 | 2304132-01 | No | State | 2Jackson | 2827 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 11.0 | 2304132-01 | No | State | 2Jackson | 2808 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2809 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.0 | 2304132-01 | No | State | 2Jackson | 2825 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 22.0 | 2304132-01 | No | State | 2Jackson | 2823 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2806M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2812 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2821 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2819 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.6 | 2201006-03 | No | State | 2Jackson | 2801 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2807 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2805M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 12.1 | 2304132-03 | No | State | 2Jackson | 2815 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 12.1 | 2304132-03 | No | State | 2Jackson | 2808 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2826 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2802 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2829 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 12.1 | 2304132-03 | No | State | 2Jackson | 2803M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2804M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2805M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2828 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2815 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2202095-01RE1 | No | State | 2Lane | 2816M | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2819 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2808 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2802 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2828 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2812 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2822 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2814 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2819 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2826 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2112074-01 | No | State | 2Lane | 2825 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2828 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 12.1 | 2304141-01 | No | State | 2Lane | 2816M | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFBA | Perfluorobutanoic acid | ND | 24.2 | 2304141-01 | No | State | 2Lane | 2819 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 12.1 | 2304141-01 | No | State | 2Lane | 2801 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFDA | Perfluorodecanoic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2807 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2809 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 12.1 | 2304141-01 | No | State | 2Lane | 2803M | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2805M | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFPeA | Perfluoropentanoic acid | ND | 24.2 | 2304141-01 | No | State | 2Lane | 2824 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2812 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2822 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2819 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2802 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.1 | 2203058-01 | No | State | 2Lane | 2825 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2805M | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2828 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2812 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2822 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2815 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2819 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2826 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2829 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2809 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.1 | 2207243-01 | No | State | 2Lincoln | 2823 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2805M | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2828 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2813 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2814 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2815 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2819 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2802 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2829 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.3 | 2201106-01 | No | State | 2Lincoln | 2823 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFNA | Perfluorononanoic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2804M | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2805M | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2814 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2815 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2112079-01 | No | State | 2Linn | 2816M | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2819 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2802 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.9 | 2112079-01 | No | State | 2Linn | 2825 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2112079-01 | No | State | 2Linn | 2824 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.7 | 2112073-01 | No | State | 2Linn | 2801 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2802 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2803M | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2805M | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2828 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2813 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2822 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2808 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2809 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2202094-01RE1 | No | State | 2Linn | 2825 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2201102-01 | No | County | 1Sherman | 2816M | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2819 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.4 | 2201102-01 | No | County | 1Sherman | 2801 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2805M | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2828 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2813 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2821 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2822 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2808 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 112 | 2112013-01 | No | County | 1Tillamook | 2816M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2819 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2826 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.1 | 2305036-01 | No | County | 1Tillamook | 2823 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFOA | Perfluorooctanoic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2806M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2822 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2815 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2112013-03 | No | County | 1Tillamook | 2816M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2802 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2809 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2805M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2112013-03 | No | County | 1Tillamook | 2824 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2812 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2813 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2822 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2819 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2808 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2829 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.5 | 2111117-01 | No | State | 1Malheur | 2801 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2807 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2111117-01 | No | State | 1Malheur | 2803M | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2111117-01 | No | State | 1Malheur | 2825 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.5 | 2111117-01 | No | State | 1Malheur | 2823 | N |
| No | REGION 1 | Malheur | 00411 | JORDAN VALLEY, CITY OF | EP-A | EP for WELL | 11/16/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2111117-01 | No | State | 1Malheur | 2824 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2822 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2814 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2826 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2802 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2110202-01 | No | State | 1Marion | 2809 | N |
| No | REGION 1 | Marion | 00389 | HUBBARD, CITY OF | EP-A | EP FOR WELLS #1 TO #4 | 10/18/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.7 | 2110202-01 | No | State | 1Marion | 2823 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2822 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2808 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2829 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2809 | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2804M | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2806M | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2805M | N |
| No | REGION 1 | Marion | 00408 | JEFFERSON, CITY OF | EP-A | EP FOR SANTIAM RIVER | 01/12/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2201065-01RE1 | No | State | 1Marion | 2812 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2814 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2802 | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2803M | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.9 | 2111103-01 | No | State | 1Morrow | 2806M | N |
| No | REGION 1 | Morrow | 00403 | IRRIGON, CITY OF | EP-B | EP FOR WELLS 3 & 4 | 11/17/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 109 | 2111103-01RE1 | No | State | 1Morrow | 2816M | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2821 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2820 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2814 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2819 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2112020-01 | No | State | 1Multnomah | 2824 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2112020-01 | No | State | 1Multnomah | 2812 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2822 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2305044-01 | No | State | 1Multnomah | 2815 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.7 | 2305044-01 | No | State | 1Multnomah | 2816M | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFDA | Perfluorodecanoic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2807 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.7 | 2305044-01 | No | State | 1Multnomah | 2808 | N |
| No | REGION 1 | Multnomah | 00296 | FAIRVIEW, CITY OF | EP-F | EP FOR WELL #5 AND #9 | 05/02/2023 | 06/09/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.28 | 2305044-01 | No | State | 1Multnomah | 2829 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2820 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2814 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2815 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 103 | 2112015-01 | No | State | 1Multnomah | 2816M | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2819 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2802 | N |
| No | REGION 1 | Multnomah | 00901 | TROUTDALE, CITY OF | EP-C | EP FOR WELL #4 (CITY SHOP) | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2112015-01 | No | State | 1Multnomah | 2812 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2821 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2112016-01 | No | State | 1Multnomah | 2816M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.8 | 2112016-01 | No | State | 1Multnomah | 2801 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2808 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2826 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2829 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2804M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2112016-01 | No | State | 1Multnomah | 2805M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2813 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2821 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2305043-01 | No | State | 1Multnomah | 2815 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.0 | 2305043-01 | No | State | 1Multnomah | 2827 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFDA | Perfluorodecanoic acid | ND | 4.21 | 2305043-01 | No | State | 1Multnomah | 2807 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2305043-01 | No | State | 1Multnomah | 2808 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 05/02/2023 | 06/09/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.0 | 2305043-01 | No | State | 1Multnomah | 2823 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2813 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2820 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2815 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.0 | 2112016-03 | No | State | 1Multnomah | 2801 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2809 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2803M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2804M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2112016-03 | No | State | 1Multnomah | 2805M | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.0 | 2305043-03 | No | State | 1Multnomah | 2815 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFBA | Perfluorobutanoic acid | ND | 21.9 | 2305043-03 | No | State | 1Multnomah | 2819 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFHpS | Perfluoroheptanesulfonic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2829 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2809 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.9 | 2305043-03 | No | State | 1Multnomah | 2825 | N |
| No | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 05/02/2023 | 06/09/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.38 | 2305043-03 | No | State | 1Multnomah | 2805M | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2813 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2821 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2814 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2802 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.8 | 2201147-01 | No | State | 1Polk | 2823 | N |
| No | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 01/24/2022 | 03/04/2022 | PFOA | Perfluorooctanoic acid | ND | 10.7 | 2201147-01 | No | State | 1Polk | 2806M | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2822 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2815 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2826 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2802 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2829 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.4 | 2207176-01 | No | State | 1Polk | 2823 | N |
| No | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/19/2022 | 09/28/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2207176-01 | No | State | 1Polk | 2805M | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2821 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2814 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2826 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2802 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2829 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 11.0 | 2112011-01 | No | State | 1Tillamook | 2809 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-C | EP FOR WELL #2 | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 44.1 | 2112011-01 | No | State | 1Tillamook | 2823 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2813 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2815 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 110 | 2112011-03 | No | State | 1Tillamook | 2816M | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2826 | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2803M | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2804M | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2806M | N |
| No | REGION 1 | Tillamook | 00893 | TILLAMOOK WATER DEPT, CITY OF | EP-D | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.0 | 2112011-03 | No | State | 1Tillamook | 2828 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2822 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2819 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.9 | 2111097-01 | No | State | 1Umatilla | 2801 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2807 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2802 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2803M | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2804M | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2805M | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2111097-01 | No | State | 1Umatilla | 2824 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 11/16/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2111097-01 | No | State | 1Umatilla | 2828 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2814 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.4 | 2304157-01 | No | State | 1Umatilla | 2825 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.4 | 2304157-01 | No | State | 1Umatilla | 2823 | N |
| No | REGION 1 | Umatilla | 00522 | MILTON-FREEWATER, CITY OF | EP-B | EP FOR WELLS #3,#5 & #6 | 04/24/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.27 | 2304157-01 | No | State | 1Umatilla | 2812 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2821 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2814 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.5 | 2111096-01 | No | State | 1Umatilla | 2801 | N |
| No | REGION 1 | Umatilla | 00525 | VILLADOM MOBILE HOME PARK | EP-A | EP FOR WELL #1 | 11/16/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.4 | 2111096-01 | No | State | 1Umatilla | 2803M | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2809 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2806M | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2111099-01 | No | State | 1Umatilla | 2824 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 11/16/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2111099-01 | No | State | 1Umatilla | 2828 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 22.3 | 2304158-01 | No | State | 1Umatilla | 2827 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2807 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.3 | 2304158-01 | No | State | 1Umatilla | 2825 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 22.3 | 2304158-01 | No | State | 1Umatilla | 2823 | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2804M | N |
| No | REGION 1 | Umatilla | 00613 | PENDLETON, CITY OF | EP-E | EP FOR WELL #4 (HOSPITAL) | 04/24/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.45 | 2304158-01 | No | State | 1Umatilla | 2805M | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2822 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2819 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2828 | N |
| No | REGION 1 | Umatilla | 00617 | RIETH WATER DISTRICT | EP-A | EP for WELL #1 (MILL YARD) | 11/16/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.3 | 2111100-01 | No | State | 1Umatilla | 2812 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.2 | 2111093-01 | No | State | 1Umatilla | 2801 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2802 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2111093-01 | No | State | 1Umatilla | 2829 | N |
| No | REGION 1 | Umatilla | 01044 | TIERRA LINDA ESTATES | EP-A | EP FOR WELLS #2 & #4 | 11/16/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2111093-01 | No | State | 1Umatilla | 2825 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2813 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2815 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.7 | 2111094-01 | No | State | 1Umatilla | 2801 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2807 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2829 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.7 | 2111094-01 | No | State | 1Umatilla | 2823 | N |
| No | REGION 1 | Umatilla | 01045 | COUNTRY SQUIRE ESTATES | EP-A | EP FOR WELLS | 11/16/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2111094-01 | No | State | 1Umatilla | 2812 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2809 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2111095-01 | No | State | 1Umatilla | 2825 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2828 | N |
| No | REGION 1 | Umatilla | 90178 | COE MCNARY DAM | EP-A | EP FOR WELLS #2 & #3 | 11/16/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2111095-01 | No | State | 1Umatilla | 2812 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2822 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.2 | 2111101-01 | No | State | 1Umatilla | 2801 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2802 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2809 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.6 | 2111101-01 | No | State | 1Umatilla | 2825 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.2 | 2111101-01 | No | State | 1Umatilla | 2823 | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2804M | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2806M | N |
| No | REGION 1 | Umatilla | 95433 | FED EX - HERMISTON | EP-A | EP FOR WELL | 11/16/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.8 | 2111101-01 | No | State | 1Umatilla | 2805M | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2821 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2814 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2808 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2802 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.6 | 2201138-01 | No | State | 1Umatilla | 2823 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2805M | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2201138-01 | No | State | 1Umatilla | 2824 | N |
| No | REGION 1 | Umatilla | 95565 | AMAZON DATA HERMISTON PDX080 | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/04/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2201138-01 | No | State | 1Umatilla | 2828 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2813 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2820 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2829 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2809 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2111105-01 | No | State | 1Wallowa | 2824 | N |
| No | REGION 1 | Wallowa | 00414 | JOSEPH, CITY OF | EP-B | EP FOR WELL #1 | 11/15/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2111105-01 | No | State | 1Wallowa | 2828 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2819 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2807 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 11.3 | 2110240-01 | No | State | 1Washington | 2803M | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 22.5 | 2110240-01 | No | State | 1Washington | 2825 | N |
| No | REGION 1 | Washington | 00906 | TUALATIN, CITY OF | EP-B | EP FOR 108TH ASR WELL | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 45.0 | 2110240-01 | No | State | 1Washington | 2823 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2201096-01 | No | State | 1Wheeler | 2816M | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2808 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2809 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.2 | 2201096-01 | No | State | 1Wheeler | 2825 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2201096-01 | No | State | 1Wheeler | 2824 | N |
| No | REGION 1 | Wheeler | 00307 | FOSSIL, CITY OF | EP-C | EP FOR 3RD & CHASE WELL | 01/18/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2201096-01 | No | State | 1Wheeler | 2812 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2813 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2822 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2808 | N |
| No | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2201064-01 | No | State | 1Yamhill | 2802 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2813 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2822 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2815 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.8 | 2201150-01 | No | State | 1Yamhill | 2809 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.0 | 2201150-01 | No | State | 1Yamhill | 2823 | N |
| No | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 01/24/2022 | 03/04/2022 | PFPeA | Perfluoropentanoic acid | ND | 108 | 2201150-01 | No | State | 1Yamhill | 2824 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2814 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.8 | 2202060-01 | No | State | 1Yamhill | 2801 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 110 | 2202060-01 | No | State | 1Yamhill | 2824 | N |
| No | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 02/09/2022 | 03/28/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 11.0 | 2202060-01 | No | State | 1Yamhill | 2828 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2820 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2815 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.4 | 2201066-01 | No | State | 2Benton | 2801 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2808 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2802 | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2201066-01 | No | State | 2Benton | 2803M | N |
| No | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 01/12/2022 | 02/18/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.2 | 2201066-01 | No | State | 2Benton | 2825 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 109 | 2207175-01 | No | State | 2Coos | 2816M | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2807 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2808 | N |
| No | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 07/19/2022 | 09/28/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.9 | 2207175-01 | No | State | 2Coos | 2812 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2822 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2815 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFBA | Perfluorobutanoic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2819 | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.3 | 2202099-01RE1 | No | State | 2Douglas | 2805M | N |
| No | REGION 2 | Douglas | 00548 | CLARKS BRANCH WATER ASSOC | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2202099-01RE1 | No | State | 2Douglas | 2824 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2821 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2822 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2202097-01RE1 | No | State | 2Douglas | 2816M | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2808 | N |
| No | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/18/2022 | 03/29/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2202097-01RE1 | No | State | 2Douglas | 2809 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2820 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2822 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2814 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFDA | Perfluorodecanoic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2807 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2826 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2829 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2809 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.1 | 2202098-01RE1 | No | State | 2Douglas | 2823 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFOA | Perfluorooctanoic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2806M | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFPeA | Perfluoropentanoic acid | ND | 103 | 2202098-01RE1 | No | State | 2Douglas | 2824 | N |
| No | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.3 | 2202098-01RE1 | No | State | 2Douglas | 2828 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2813 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2821 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2201068-01RE1 | No | State | 2Douglas | 2816M | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 01/11/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2201068-01RE1 | No | State | 2Douglas | 2807 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.8 | 2304137-01 | No | State | 2Douglas | 2827 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFBA | Perfluorobutanoic acid | ND | 21.8 | 2304137-01 | No | State | 2Douglas | 2819 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.9 | 2304137-01 | No | State | 2Douglas | 2808 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFHxA | Perfluorohexanoic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2809 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.9 | 2304137-01 | No | State | 2Douglas | 2803M | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 21.8 | 2304137-01 | No | State | 2Douglas | 2823 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2805M | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 21.8 | 2304137-01 | No | State | 2Douglas | 2824 | N |
| No | REGION 2 | Douglas | 00706 | RIDDLE, CITY OF | EP-A | EP FOR COW CREEK | 04/25/2023 | 06/05/2023 | PFUnA | Perfluoroundecanoic acid | ND | 4.36 | 2304137-01 | No | State | 2Douglas | 2812 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2821 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2202102-01RE1 | No | State | 2Douglas | 2816M | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2802 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2829 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.3 | 2202102-01RE1 | No | State | 2Douglas | 2825 | N |
| No | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2202102-01RE1 | No | State | 2Douglas | 2812 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2815 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.3 | 2202100-01RE1 | No | State | 2Douglas | 2801 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2826 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2809 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2803M | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2828 | N |
| No | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/18/2022 | 03/29/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2202100-01RE1 | No | State | 2Douglas | 2812 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2820 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFBA | Perfluorobutanoic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2819 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2807 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2808 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2802 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.4 | 2201067-01 | No | State | 2Jackson | 2823 | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2805M | N |
| No | REGION 2 | Jackson | 00333 | GOLD HILL, CITY OF | EP-A | EP FOR ROGUE RIVER | 01/12/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2201067-01 | No | State | 2Jackson | 2812 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2821 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2822 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2808 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFOA | Perfluorooctanoic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2806M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 01/03/2022 | 02/18/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2201006-01 | No | State | 2Jackson | 2812 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 11.0 | 2304132-01 | No | State | 2Jackson | 2801 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFOS | Perfluorooctanesulfonic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2805M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 22.0 | 2304132-01 | No | State | 2Jackson | 2824 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-A | EP FOR 2ND ST. WELLS | 04/24/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.40 | 2304132-01 | No | State | 2Jackson | 2828 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2813 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2820 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2822 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2814 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2808 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2803M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFNA | Perfluorononanoic acid | ND | 10.6 | 2201006-03 | No | State | 2Jackson | 2804M | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 01/03/2022 | 02/18/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2201006-03 | No | State | 2Jackson | 2824 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2813 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 4.85 | 2304132-03 | No | State | 2Jackson | 2822 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 12.1 | 2304132-03 | No | State | 2Jackson | 2801 | N |
| No | REGION 2 | Jackson | 00712 | ROGUE RIVER, CITY OF | EP-B | EP FOR ROGUE RIVER WTP | 04/24/2023 | 06/05/2023 | PFPeA | Perfluoropentanoic acid | ND | 24.2 | 2304132-03 | No | State | 2Jackson | 2824 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2813 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2820 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2807 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2826 | N |
| No | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 02/17/2022 | 03/29/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.4 | 2202095-01RE1 | No | State | 2Lane | 2809 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2821 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2815 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.5 | 2112074-01 | No | State | 2Lane | 2801 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2807 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2802 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2805M | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 12/08/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.1 | 2112074-01 | No | State | 2Lane | 2812 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2814 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 24.2 | 2304141-01 | No | State | 2Lane | 2827 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFHpA | Perfluoroheptanoic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2802 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 24.2 | 2304141-01 | No | State | 2Lane | 2825 | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFNA | Perfluorononanoic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2804M | N |
| No | REGION 2 | Lane | 00418 | JUNCTION CITY WATER UTILITIES | EP-B | EP FOR WELLS | 04/26/2023 | 06/01/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.83 | 2304141-01 | No | State | 2Lane | 2828 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2813 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2807 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2808 | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2203058-01 | No | State | 2Lane | 2803M | N |
| No | REGION 2 | Lane | 00492 | LOWELL, CITY OF | EP-B | EP FOR DEXTER LAKE | 03/16/2022 | 03/29/2022 | PFPeA | Perfluoropentanoic acid | ND | 101 | 2203058-01 | No | State | 2Lane | 2824 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2821 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2820 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 105 | 2207243-01 | No | State | 2Lincoln | 2816M | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.1 | 2207243-01 | No | State | 2Lincoln | 2801 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2807 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2207243-01 | No | State | 2Lincoln | 2802 | N |
| No | REGION 2 | Lincoln | 00254 | DEPOE BAY, CITY OF | EP-A | EP FOR N & S DEPOE BAY & ROCKY CREEK | 07/28/2022 | 09/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2207243-01 | No | State | 2Lincoln | 2824 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 108 | 2201106-01 | No | State | 2Lincoln | 2816M | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFDA | Perfluorodecanoic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2807 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2826 | N |
| No | REGION 2 | Lincoln | 00565 | CARMEL BEACH WATER DISTRICT | EP-A | EP FOR SPRINGS | 01/19/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.8 | 2201106-01 | No | State | 2Lincoln | 2812 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2821 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2822 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2808 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2826 | N |
| No | REGION 2 | Linn | 00152 | BROWNSVILLE, CITY OF | EP-A | EP FOR SSF/WTP | 12/08/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2112079-01 | No | State | 2Linn | 2812 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2820 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2822 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2814 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2815 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2819 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.3 | 2112073-01 | No | State | 2Linn | 2825 | N |
| No | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 12/08/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.7 | 2112073-01 | No | State | 2Linn | 2804M | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2820 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2815 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.5 | 2202094-01RE1 | No | State | 2Linn | 2801 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFDA | Perfluorodecanoic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2807 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2829 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.5 | 2202094-01RE1 | No | State | 2Linn | 2823 | N |
| No | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 02/17/2022 | 03/29/2022 | PFOA | Perfluorooctanoic acid | ND | 10.1 | 2202094-01RE1 | No | State | 2Linn | 2806M | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2813 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2820 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2822 | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.3 | 2201102-01 | No | County | 1Sherman | 2803M | N |
| No | SHERMAN COUNTY | Sherman | 00935 | WASCO, CITY OF | EP-B | EP FOR WELL #2 | 01/18/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.7 | 2201102-01 | No | County | 1Sherman | 2825 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2820 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2815 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2807 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2802 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2809 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2803M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2112012-01 | No | County | 1Tillamook | 2825 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.5 | 2112012-01 | No | County | 1Tillamook | 2804M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | 12 | 10.5 | 2112012-01 | No | County | 1Tillamook | 2806M | DE |
| No | TILLAMOOK COUNTY | Tillamook | 00311 | GARIBALDI WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 12/01/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2112012-01 | No | County | 1Tillamook | 2824 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2813 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2820 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2829 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2805M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 12/01/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 11.2 | 2112013-01 | No | County | 1Tillamook | 2812 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2813 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2821 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2814 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2305036-01 | No | County | 1Tillamook | 2815 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10.6 | 2305036-01 | No | County | 1Tillamook | 2816M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 21.1 | 2305036-01 | No | County | 1Tillamook | 2827 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFBS | Perfluorobutanesulfonic acid | ND | 10.6 | 2305036-01 | No | County | 1Tillamook | 2801 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFDA | Perfluorodecanoic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2807 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2305036-01 | No | County | 1Tillamook | 2808 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2826 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2305036-01 | No | County | 1Tillamook | 2803M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2305036-01 | No | County | 1Tillamook | 2825 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFNA | Perfluorononanoic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2804M | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-A | EP FOR WELL #1 | 05/01/2023 | 06/05/2023 | PFPeS | Perfluoropentanesulfonic acid | ND | 4.23 | 2305036-01 | No | County | 1Tillamook | 2828 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2813 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2821 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2820 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2819 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.5 | 2112013-03 | No | County | 1Tillamook | 2801 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.6 | 2112013-03 | No | County | 1Tillamook | 2826 | N |
| No | TILLAMOOK COUNTY | Tillamook | 00887 | FAIRVIEW WATER DISTRICT | EP-B | EP FOR WELL #3 | 12/01/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.5 | 2112013-03 | No | County | 1Tillamook | 2823 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 40.6 | 2111106-01 | No | County | 1Union | 2801 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2807 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2804M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2805M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2111106-01RE1 | No | County | 1Union | 2816M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFBA | Perfluorobutanoic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2819 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2829 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.7 | 2111106-03 | No | County | 1Union | 2823 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2804M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2111106-03RE1 | No | County | 1Union | 2816M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2813 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2822 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2829 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2809 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2804M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2805M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 101 | 2111106-05RE1 | No | County | 1Union | 2816M | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2809 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2812 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 102 | 2111104-01RE1 | No | County | 1Union | 2816M | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2815 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2201101-01 | No | County | 1Wasco | 2816M | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2819 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2802 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 21.1 | 2201101-01 | No | County | 1Wasco | 2825 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.3 | 2201101-01 | No | County | 1Wasco | 2823 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2812 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2821 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2820 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2815 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 42.1 | 2201094-01 | No | County | 1Wasco | 2801 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 106 | 2110241-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.15 | 2508236-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | 4.25 | 2.22 | 2508232-01 | No | County | 1Washington | 2809 | D |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | 4.51 | 2.22 | 2508232-01 | No | County | 1Washington | 2824 | D |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 104 | 2110199-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 41.6 | 2110199-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.8 | 2110199-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 104 | 2110199-01 | No | County | 1Washington | 2824 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2814 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2815 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 108 | 2201161-01 | No | County | 1Yamhill | 2816M | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFPeA | Perfluoropentanoic acid | ND | 108 | 2201161-01 | No | County | 1Yamhill | 2824 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2820 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2815 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2816M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFDA | Perfluorodecanoic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2807 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2808 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2826 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2813 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2822 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2801 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2829 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2803M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2825 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2823 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2828 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFUnA | Perfluoroundecanoic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2812 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01093 | USFS TIMBER LAKE JCC | EP-C | EP FOR WELL | 04/07/2025 | 04/10/2025 | PFNA | Perfluorononanoic acid | ND | 1.00 | K2503553-001-P | Yes | County | 1Clackamas | 2804M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2813 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2821 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2814 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2816M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFBA | Perfluorobutanoic acid | ND | 4.98 | 2509150-01 | Yes | County | 1Clackamas | 2819 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFHpA | Perfluoroheptanoic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2802 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2803M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2825 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2823 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFUnA | Perfluoroundecanoic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2812 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2813 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2820 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2815 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFBA | Perfluorobutanoic acid | ND | 4.98 | 2509120-01 | Yes | County | 1Clackamas | 2819 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFHpA | Perfluoroheptanoic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2802 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2803M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2825 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2823 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2805M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2820 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2801 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFDA | Perfluorodecanoic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2807 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2808 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2809 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2805M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2813 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFDA | Perfluorodecanoic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2807 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2802 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2824 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2812 | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-A | EP FOR WARREN WELL | 04/17/2025 | 04/28/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 0.860 | K2504003-001-P | Yes | County | 1Columbia | 2803M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-A | EP FOR WARREN WELL | 04/17/2025 | 04/28/2025 | PFNA | Perfluorononanoic acid | ND | 0.860 | K2504003-001-P | Yes | County | 1Columbia | 2804M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-A | EP FOR WARREN WELL | 04/17/2025 | 04/28/2025 | PFOA | Perfluorooctanoic acid | ND | 0.860 | K2504003-001-P | Yes | County | 1Columbia | 2806M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-B | EP FOR GORIN WELL | 04/17/2025 | 04/28/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 0.860 | K2504003-007-P | Yes | County | 1Columbia | 2816M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-C | EP FOR PANORAMA WELL | 04/17/2025 | 04/28/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 0.880 | K2504003-009-P | Yes | County | 1Columbia | 2803M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-C | EP FOR PANORAMA WELL | 04/17/2025 | 04/28/2025 | PFOA | Perfluorooctanoic acid | ND | 0.880 | K2504003-009-P | Yes | County | 1Columbia | 2806M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-D | EP FOR ELLISON WELL | 04/17/2025 | 04/28/2025 | PFOA | Perfluorooctanoic acid | ND | 0.860 | K2504003-003-P | Yes | County | 1Columbia | 2806M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-E | EP FOR BLAHA WELL (L57271) | 04/17/2025 | 04/28/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 0.850 | K2504003-005-P | Yes | County | 1Columbia | 2816M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-E | EP FOR BLAHA WELL (L57271) | 04/17/2025 | 04/28/2025 | PFNA | Perfluorononanoic acid | ND | 0.850 | K2504003-005-P | Yes | County | 1Columbia | 2804M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-E | EP FOR BLAHA WELL (L57271) | 04/17/2025 | 04/28/2025 | PFOA | Perfluorooctanoic acid | ND | 0.850 | K2504003-005-P | Yes | County | 1Columbia | 2806M | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2814 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2802 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2828 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 02/04/2025 | 03/05/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | C567-06539-P | Yes | County | 1Deschutes | 2801 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 02/04/2025 | 03/05/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | C567-06539-P | Yes | County | 1Deschutes | 2803M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2802 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2829 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2809 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2803M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2825 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2805M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 02/04/2025 | 03/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 380-134442-1-P | Yes | County | 1Deschutes | 2804M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2820 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2822 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2814 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2827 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2829 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2823 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2804M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2806M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2824 | N |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 06/17/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | 33.40 | 1.00 | 117416P | Yes | County | 2Jackson | 2803M | DE |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 06/17/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | 10.60 | 1.30 | 117416P | Yes | County | 2Jackson | 2805M | DE |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 12/16/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | 8.90 | 1.30 | 123901P | Yes | County | 2Jackson | 2805M | DE |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 05/16/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 104163P | Yes | County | 2Lane | 2805M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 11/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109896P | Yes | County | 2Lane | 2801 | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 11/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109896P | Yes | County | 2Lane | 2806M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 11/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109897P | Yes | County | 2Lane | 2803M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 01/30/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | 7.40 | 1.00 | 113916R | Yes | County | 2Lane | 2803M | D |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 11/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109898P | Yes | County | 2Lane | 2816M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 11/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109898P | Yes | County | 2Lane | 2804M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 11/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109899P | Yes | County | 2Lane | 2816M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 11/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109899P | Yes | County | 2Lane | 2804M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 11/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109899P | Yes | County | 2Lane | 2805M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2815 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFDA | Perfluorodecanoic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2807 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2808 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2829 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFOA | Perfluorooctanoic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2806M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2805M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2813 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2814 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2816M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2827 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2809 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2111106-01 | No | County | 1Union | 2824 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-A | EP FOR WELL #4-BOISE CASCADE | 11/15/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.2 | 2111106-01 | No | County | 1Union | 2828 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2813 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2821 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.2 | 2111106-03 | No | County | 1Union | 2814 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2815 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2826 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2803M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2806M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2805M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-B | EP FOR WELL #3-HWY 82 | 11/15/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.2 | 2111106-03 | No | County | 1Union | 2812 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2820 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.1 | 2111106-05 | No | County | 1Union | 2814 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2826 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2803M | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.2 | 2111106-05 | No | County | 1Union | 2825 | N |
| No | UNION COUNTY | Union | 00273 | ELGIN WATER DEPARTMENT | EP-C | EP FOR WELL #2-ALDER ST. | 11/15/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.1 | 2111106-05 | No | County | 1Union | 2828 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2815 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2826 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2829 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 40.6 | 2111104-01 | No | County | 1Union | 2823 | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.2 | 2111104-01 | No | County | 1Union | 2804M | N |
| No | UNION COUNTY | Union | 01375 | SACAJAWEA MOBILE HOME PARK | EP-A | EP for WELL | 11/15/2021 | 01/27/2022 | PFPeA | Perfluoropentanoic acid | ND | 102 | 2111104-01 | No | County | 1Union | 2824 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2813 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2821 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2822 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2809 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2803M | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 106 | 2201101-01 | No | County | 1Wasco | 2824 | N |
| No | WASCO COUNTY | Wasco | 00510 | MAUPIN, CITY OF | EP-A | EP FOR SPRINGS (1, 2 & 3) | 01/19/2022 | 02/25/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2201101-01 | No | County | 1Wasco | 2828 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2813 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2814 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2819 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2802 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2809 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2803M | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2201094-01 | No | County | 1Wasco | 2824 | N |
| No | WASCO COUNTY | Wasco | 94418 | BPA-CELILO/BIG EDDY | EP-A | EP FOR WELL #1(BIG EDDY) | 01/19/2022 | 02/25/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2201094-01 | No | County | 1Wasco | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 00077 | STAR SATELLITE IMPROV DIST | EP-A | EP FOR WELLS | 08/27/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.11 | 2508253-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.62 | 2508251-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 00217 | LAUREL ACRES WATER CO INC | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.25 | 2508251-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 5.37 | 2508237-01 | No | County | 1Washington | 2819 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 00221 | WEST LAUREL ACRES WATER CO | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.15 | 2508237-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 00222 | WESTVIEW MOBILE ESTATES | EP-C | EP FOR WELL #3 | 08/27/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.12 | 2508250-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 00306 | SOUTH HILLS WATER SYSTEM | EP-A | EP FOR WELLS #1 & #2 | 08/26/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.29 | 2508238-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2808 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2824 | N |
| No | WASHINGTON COUNTY | Washington | 00381 | WOLSBORN FARMS WATER DISTRICT | EP-A | EP for WELL | 08/26/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.25 | 2508235-01 | No | County | 1Washington | 2812 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 42.5 | 2110241-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFOA | Perfluorooctanoic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2806M | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 10/19/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.6 | 2110241-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 01350 | RAINBOW ENDS WATER SYSTEM | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.06 | 2508236-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2801 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFOS | Perfluorooctanesulfonic acid | 4.69 | 2.22 | 2508232-01 | No | County | 1Washington | 2805M | DE |
| No | WASHINGTON COUNTY | Washington | 90606 | FARMINGTON VIEW ELEM SD 1J | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.22 | 2508232-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2822 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 90607 | GRONER ELEMENTARY SD 1J | EP-A | EP FOR WELL #2 | 08/26/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.15 | 2508239-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2816M | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2803M | N |
| No | WASHINGTON COUNTY | Washington | 90609 | VISITATION CHURCH AND SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.18 | 2508254-01 | No | County | 1Washington | 2825 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2827 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 91596 | ST FRANCIS OF ASSISI SCHOOL | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.11 | 2508256-01 | No | County | 1Washington | 2826 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2815 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2809 | N |
| No | WASHINGTON COUNTY | Washington | 91649 | RISE UP FAMILY FELLOWSHIP | EP-A | EP for WELL | 08/27/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 2.28 | 2508255-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2814 | N |
| No | WASHINGTON COUNTY | Washington | 93774 | WEST UNION ELEM SD 1 | EP-A | EP FOR WELL | 08/26/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.20 | 2508234-01 | No | County | 1Washington | 2829 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2813 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2821 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2820 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFDA | Perfluorodecanoic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2807 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFHpA | Perfluoroheptanoic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2802 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.6 | 2110199-01 | No | County | 1Washington | 2823 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFNA | Perfluorononanoic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2804M | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFOS | Perfluorooctanesulfonic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2805M | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2828 | N |
| No | WASHINGTON COUNTY | Washington | 93921 | TRI-COUNTY INDUSTRIAL PARK #1 | EP-A | EP for WELL | 10/18/2021 | 01/27/2022 | PFUnA | Perfluoroundecanoic acid | ND | 10.4 | 2110199-01 | No | County | 1Washington | 2812 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2821 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFBS | Perfluorobutanesulfonic acid | ND | 43.4 | 2201161-01 | No | County | 1Yamhill | 2801 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFDoA | Perfluorododecanoic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2808 | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFHxS | Perfluorohexanesulfonic acid | ND | 10.8 | 2201161-01 | No | County | 1Yamhill | 2803M | N |
| No | YAMHILL COUNTY | Yamhill | 94219 | BOISE CASCADE-WILLAMINA VENEER | EP-A | EP FOR WELL #1 | 01/24/2022 | 03/28/2022 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 43.4 | 2201161-01 | No | County | 1Yamhill | 2823 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2821 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2822 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2814 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFBA | Perfluorobutanoic acid | ND | 5.01 | 2509166-01 | Yes | County | 1Clackamas | 2819 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2801 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2802 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2829 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2809 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2803M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2806M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2828 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00134 | KELSO WATER ASSN | EP-A | EP FOR WELLS #3 & #4 | 09/09/2025 | 12/09/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.00 | 2509166-01 | Yes | County | 1Clackamas | 2812 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFBA | Perfluorobutanoic acid | ND | 4.93 | 2509151-01 | Yes | County | 1Clackamas | 2819 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2826 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 00336 | GOVERNMENT CAMP WATER SYSTEM | EP-A | EP for SPRINGS | 09/10/2025 | 12/09/2025 | PFHxA | Perfluorohexanoic acid | ND | 1.97 | 2509151-01 | Yes | County | 1Clackamas | 2809 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01093 | USFS TIMBER LAKE JCC | EP-C | EP FOR WELL | 04/07/2025 | 04/10/2025 | PFOA | Perfluorooctanoic acid | ND | 1.00 | K2503553-001-P | Yes | County | 1Clackamas | 2806M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2820 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2815 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2827 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2801 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFDA | Perfluorodecanoic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2807 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 01159 | ZIG ZAG VILLAGE WATER SYSTEM | EP-A | EP for WELL #2 | 09/10/2025 | 12/09/2025 | PFOA | Perfluorooctanoic acid | ND | 1.99 | 2509150-01 | Yes | County | 1Clackamas | 2806M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFNA | Perfluorononanoic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2804M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 93720 | OREGON TRAIL SD - KELSO ELEM | EP-A | EP FOR WELL #2 | 09/09/2025 | 12/05/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 1.99 | 2509120-01 | Yes | County | 1Clackamas | 2828 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2813 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2822 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2815 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94548 | MT HOOD RV VILLAGE | EP-A | EP FOR WELLS #1 AND #2 | 09/09/2025 | 12/09/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.00 | 2509172-01 | Yes | County | 1Clackamas | 2828 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2821 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2815 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2827 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFBA | Perfluorobutanoic acid | ND | 5.04 | 2509128-01 | Yes | County | 1Clackamas | 2819 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2809 | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFNA | Perfluorononanoic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2804M | N |
| Yes | CLACKAMAS COUNTY | Clackamas | 94991 | HILLSVIEW COVENANT CHURCH | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFOA | Perfluorooctanoic acid | ND | 2.02 | 2509128-01 | Yes | County | 1Clackamas | 2806M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-B | EP FOR GORIN WELL | 04/17/2025 | 04/28/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 0.860 | K2504003-007-P | Yes | County | 1Columbia | 2801 | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-B | EP FOR GORIN WELL | 04/17/2025 | 04/28/2025 | PFOA | Perfluorooctanoic acid | ND | 0.860 | K2504003-007-P | Yes | County | 1Columbia | 2806M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-C | EP FOR PANORAMA WELL | 04/17/2025 | 04/28/2025 | PFNA | Perfluorononanoic acid | ND | 0.880 | K2504003-009-P | Yes | County | 1Columbia | 2804M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-C | EP FOR PANORAMA WELL | 04/17/2025 | 04/28/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 0.880 | K2504003-009-P | Yes | County | 1Columbia | 2805M | N |
| Yes | COLUMBIA COUNTY | Columbia | 00726 | WARREN WATER ASSOCIATION | EP-D | EP FOR ELLISON WELL | 04/17/2025 | 04/28/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 0.860 | K2504003-003-P | Yes | County | 1Columbia | 2801 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2816M | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2807 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2808 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2829 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2809 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2824 | N |
| Yes | COLUMBIA COUNTY | Columbia | 06090 | MCCUDDYS LANDING | EP-A | EP FOR WELL | 08/28/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.03 | 2508264-01 | Yes | County | 1Columbia | 2812 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 02/04/2025 | 03/05/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | C567-06539-P | Yes | County | 1Deschutes | 2816M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 02/04/2025 | 03/05/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | C567-06539-P | Yes | County | 1Deschutes | 2804M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2813 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2814 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2801 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2806M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 05957 | COUTES | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.00 | 175-108-1 | Yes | County | 1Deschutes | 2812 | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 02/04/2025 | 03/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 380-134442-1-P | Yes | County | 1Deschutes | 2816M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2816M | N |
| Yes | DESCHUTES COUNTY | Deschutes | 94971 | OREGON YOUTH CHALLENGE PROGRAM | EP-A | EP for WELL | 08/05/2025 | 10/03/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.00 | 175-105-1 | Yes | County | 1Deschutes | 2825 | N |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 06/17/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | 14.80 | 1.00 | 117416P | Yes | County | 2Jackson | 2801 | D |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 06/17/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 117416P | Yes | County | 2Jackson | 2804M | N |
| Yes | JACKSON COUNTY | Jackson | 91508 | RUCH ELEMENTARY SD 549 | EP-A | EP for WELL | 06/17/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | 9.20 | 1.30 | 117416P | Yes | County | 2Jackson | 2806M | DE |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 05/16/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 104163P | Yes | County | 2Lane | 2816M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 05/16/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 104163P | Yes | County | 2Lane | 2801 | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 05/16/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 104163P | Yes | County | 2Lane | 2803M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-A | EP FOR FIREHOUSE WELL | 11/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109896P | Yes | County | 2Lane | 2816M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 05/16/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 104164P | Yes | County | 2Lane | 2801 | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 05/16/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 104164P | Yes | County | 2Lane | 2806M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 05/16/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 104164P | Yes | County | 2Lane | 2805M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 11/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109897P | Yes | County | 2Lane | 2801 | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-D | EP FOR IRISH WELL | 11/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109897P | Yes | County | 2Lane | 2806M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 05/16/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 104165P | Yes | County | 2Lane | 2801 | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 01/30/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | 6.80 | 1.30 | 113916R | Yes | County | 2Lane | 2805M | DE |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-F | EP FOR SPICER WELL | 11/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109898P | Yes | County | 2Lane | 2806M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 05/16/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 104166P | Yes | County | 2Lane | 2804M | N |
| Yes | LANE COUNTY | Lane | 00508 | MARCOLA WATER DISTRICT | EP-G | EP FOR MAPLE LANE WELLS | 05/16/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 104166P | Yes | County | 2Lane | 2805M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2826 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2802 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2825 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2824 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01157 | TERRAND MOBILE TERRACE | EP-A | EP FOR WELL | 09/10/2025 | 12/09/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.01 | 2509168-01 | Yes | County | 1Multnomah | 2828 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2821 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2815 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 4.96 | 2508267-01 | Yes | County | 1Multnomah | 2819 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2826 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFHxA | Perfluorohexanoic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2809 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2824 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2812 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2813 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2814 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFBA | Perfluorobutanoic acid | ND | 5.00 | 2509121-01 | Yes | County | 1Multnomah | 2819 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2806M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2824 | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 01/24/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 112231P | Yes | State | 1Baker | 2816M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 01/24/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 112231P | Yes | State | 1Baker | 2801 | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 10/30/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122057P | Yes | State | 1Baker | 2816M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 04/24/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 115869P | Yes | State | 1Baker | 2816M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 04/24/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 115869P | Yes | State | 1Baker | 2804M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 08/13/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 118946P | Yes | State | 1Baker | 2803M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 03/11/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 114706P | Yes | State | 1Clackamas | 2816M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 03/11/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 114706P | Yes | State | 1Clackamas | 2801 | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 03/11/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 114706P | Yes | State | 1Clackamas | 2805M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 09/17/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 121073P | Yes | State | 1Clackamas | 2803M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 09/17/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 121073P | Yes | State | 1Clackamas | 2804M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 09/17/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 121073P | Yes | State | 1Clackamas | 2805M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 06/17/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 117412P | Yes | State | 1Clackamas | 2805M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 01/10/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 100527P | Yes | State | 1Clackamas | 2801 | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 01/10/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 100527P | Yes | State | 1Clackamas | 2803M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 01/10/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 100527P | Yes | State | 1Clackamas | 2806M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 04/12/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103249P | Yes | State | 1Clackamas | 2805M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 10/03/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109026P | Yes | State | 1Clackamas | 2803M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 10/03/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109026P | Yes | State | 1Clackamas | 2804M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 10/03/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109026P | Yes | State | 1Clackamas | 2805M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 07/18/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 106051P | Yes | State | 1Clackamas | 2801 | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 10/21/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122056P | Yes | State | 1Clatsop | 2816M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 10/21/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122056P | Yes | State | 1Clatsop | 2801 | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 10/21/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122056P | Yes | State | 1Clatsop | 2806M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 10/21/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122056P | Yes | State | 1Clatsop | 2805M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 04/23/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 115868P | Yes | State | 1Clatsop | 2816M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 03/26/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 116070R | Yes | State | 1Clatsop | 2816M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 07/23/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 118945P | Yes | State | 1Clatsop | 2816M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 06/20/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 105231P | Yes | State | 1Clatsop | 2801 | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 03/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 102416P | Yes | State | 1Clatsop | 2803M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 03/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 102416P | Yes | State | 1Clatsop | 2804M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 03/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 102416P | Yes | State | 1Clatsop | 2805M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 12/12/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 110959P | Yes | State | 1Clatsop | 2805M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 09/19/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 108058P | Yes | State | 1Clatsop | 2801 | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 09/19/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 108058P | Yes | State | 1Clatsop | 2806M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 02/11/2025 | 03/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 380-136085-1-P | Yes | State | 1Clatsop | 2801 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 02/11/2025 | 03/20/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 380-136085-1-P | Yes | State | 1Clatsop | 2805M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2821 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2822 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2815 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2827 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2801 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFDA | Perfluorodecanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2807 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2806M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2812 | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 10/18/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109422R | Yes | State | 1Columbia | 2804M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 08/22/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 107025P | Yes | State | 1Columbia | 2806M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 02/22/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 101645P | Yes | State | 1Columbia | 2806M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 08/22/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 107026P | Yes | State | 1Columbia | 2801 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2821 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2815 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2816M | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFBA | Perfluorobutanoic acid | ND | 5.03 | 2509059-01 | Yes | State | 1Columbia | 2819 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2801 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2809 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 04/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103255P | Yes | State | 1Crook | 2803M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 04/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103255P | Yes | State | 1Crook | 2804M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 04/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103255P | Yes | State | 1Crook | 2805M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109032P | Yes | State | 1Crook | 2801 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 04/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103254P | Yes | State | 1Crook | 2816M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 04/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103254P | Yes | State | 1Crook | 2801 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 04/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103257P | Yes | State | 1Crook | 2805M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 04/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103253P | Yes | State | 1Crook | 2804M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109030P | Yes | State | 1Crook | 2805M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109033P | Yes | State | 1Crook | 2803M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109033P | Yes | State | 1Crook | 2804M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109033P | Yes | State | 1Crook | 2805M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 08/08/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 106459R | Yes | State | 1Crook | 2803M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 03/22/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 102411P | Yes | State | 1Deschutes | 2801 | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 03/22/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 102411P | Yes | State | 1Deschutes | 2803M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 09/19/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 108054P | Yes | State | 1Deschutes | 2801 | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 09/19/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 108054P | Yes | State | 1Deschutes | 2804M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 09/19/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 108055P | Yes | State | 1Deschutes | 2803M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 09/19/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 108055P | Yes | State | 1Deschutes | 2806M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 02/20/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 101648P | Yes | State | 1Deschutes | 2801 | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 02/20/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 101648P | Yes | State | 1Deschutes | 2804M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 08/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 107027P | Yes | State | 1Deschutes | 2816M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 08/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | 1.10 | 1.00 | 107027P | Yes | State | 1Deschutes | 2803M | D |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 08/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 107027P | Yes | State | 1Deschutes | 2804M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 08/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | 1.40 | 1.30 | 107027P | Yes | State | 1Deschutes | 2805M | D |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 03/22/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 101649P | Yes | State | 1Deschutes | 2816M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 08/19/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 120012P | Yes | State | 1Jefferson | 2803M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 08/19/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 120012P | Yes | State | 1Jefferson | 2804M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 08/19/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 120012P | Yes | State | 1Jefferson | 2806M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 08/19/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 120012P | Yes | State | 1Jefferson | 2805M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 04/24/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 117098R | Yes | State | 1Jefferson | 2805M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 02/21/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 113348P | Yes | State | 1Jefferson | 2816M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 08/19/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 120013P | Yes | State | 1Jefferson | 2801 | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 08/19/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 120013P | Yes | State | 1Jefferson | 2803M | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 05/17/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 104159P | Yes | State | 1Marion | 2816M | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 01/30/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 113844R | Yes | State | 1Marion | 2804M | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 01/30/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 113844R | Yes | State | 1Marion | 2805M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 05/21/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 380-141161-1FRB-P | Yes | State | 1Morrow | 2801 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 05/21/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 380-141161-1FRB-P | Yes | State | 1Morrow | 2803M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 05/21/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 380-141161-1FRB-P | Yes | State | 1Morrow | 2805M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 05/21/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 380-141161-1-P | Yes | State | 1Morrow | 2803M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 05/21/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 380-141161-1-P | Yes | State | 1Morrow | 2804M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 05/21/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 380-141161-1-P | Yes | State | 1Morrow | 2806M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2813 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2815 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2827 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFDA | Perfluorodecanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2807 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2805M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2812 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 05/21/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 380-141161-2-P | Yes | State | 1Morrow | 2801 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 05/21/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 380-141161-2-P | Yes | State | 1Morrow | 2805M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2820 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2812 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 05/21/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 380-141161-3FRB-P | Yes | State | 1Morrow | 2803M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 05/21/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 380-141161-3-P | Yes | State | 1Morrow | 2803M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 05/21/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 380-141161-3-P | Yes | State | 1Morrow | 2805M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2815 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2801 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2808 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2805M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2821 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2822 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2808 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2826 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2802 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2829 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2804M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 01/24/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 112236P | Yes | State | 1Multnomah | 2806M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 09/23/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122350R | Yes | State | 1Multnomah | 2816M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 01/24/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 112237P | Yes | State | 1Multnomah | 2804M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 07/24/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 118952P | Yes | State | 1Multnomah | 2816M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 07/24/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 118952P | Yes | State | 1Multnomah | 2805M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 07/24/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 118953P | Yes | State | 1Multnomah | 2801 | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 07/24/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 118953P | Yes | State | 1Multnomah | 2804M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 05/16/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 104161P | Yes | State | 1Polk | 2805M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 11/20/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | 3.40 | 1.00 | 109894P | Yes | State | 1Polk | 2801 | D |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 05/16/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 104162P | Yes | State | 1Polk | 2816M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 05/16/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 104162P | Yes | State | 1Polk | 2806M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-B | EP FOR POLK ST/RIVER DR WELLFIELD | 11/20/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109895P | Yes | State | 1Polk | 2805M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 04/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103250P | Yes | State | 1Polk | 2816M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 04/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103250P | Yes | State | 1Polk | 2801 | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109027P | Yes | State | 1Polk | 2806M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109027P | Yes | State | 1Polk | 2805M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/27/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 106052P | Yes | State | 1Polk | 2816M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/27/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 106052P | Yes | State | 1Polk | 2803M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/27/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 106052P | Yes | State | 1Polk | 2806M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/27/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 106052P | Yes | State | 1Polk | 2805M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 07/17/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 106056P | Yes | State | 1Umatilla | 2803M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 07/17/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 106056P | Yes | State | 1Umatilla | 2804M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 01/09/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 100535P | Yes | State | 1Umatilla | 2804M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 07/17/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 106057P | Yes | State | 1Umatilla | 2804M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 07/17/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 106057P | Yes | State | 1Umatilla | 2806M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 10/23/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122060P | Yes | State | 1Wasco | 2803M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 10/23/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122060P | Yes | State | 1Wasco | 2806M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 10/23/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122061P | Yes | State | 1Wasco | 2816M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 10/23/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122061P | Yes | State | 1Wasco | 2801 | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 10/23/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122061P | Yes | State | 1Wasco | 2803M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 10/23/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122061P | Yes | State | 1Wasco | 2806M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 04/22/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 115873P | Yes | State | 1Wasco | 2803M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 04/22/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 115873P | Yes | State | 1Wasco | 2804M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 04/22/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 115873P | Yes | State | 1Wasco | 2805M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 10/23/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122062P | Yes | State | 1Wasco | 2816M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 10/23/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122062P | Yes | State | 1Wasco | 2803M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 04/22/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 115874P | Yes | State | 1Wasco | 2804M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 10/23/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122063P | Yes | State | 1Wasco | 2816M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 10/23/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122063P | Yes | State | 1Wasco | 2804M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 04/22/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 115875P | Yes | State | 1Wasco | 2816M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 04/22/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 115875P | Yes | State | 1Wasco | 2803M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 04/22/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 115875P | Yes | State | 1Wasco | 2804M | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 04/02/2025 | 04/10/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 380-143925-1-P | Yes | State | 1Washington | 2801 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2815 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFBA | Perfluorobutanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2819 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2801 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFDA | Perfluorodecanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2807 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2826 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2806M | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2805M | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2827 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2802 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2809 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2823 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2822 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFHxA | Perfluorohexanoic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2809 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFPeA | Perfluoropentanoic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2824 | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109020P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 04/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103244P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 04/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103244P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109021P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109022P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109023P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | 4.20 | 1.30 | 109023P | Yes | State | 1Yamhill | 2805M | DE |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-F | EP FOR WELL #10 | 04/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103247P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 09/17/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 121077P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 06/17/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 117414P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 06/17/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 117414P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 12/18/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 123899P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 12/18/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 123899P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 12/18/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 123899P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 03/13/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 114710P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 10/23/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122435R | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 09/17/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 121074P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 03/13/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 114707P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 03/13/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 114707P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 09/17/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 121075P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 09/17/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 121075P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 06/17/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 117413P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 06/17/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 117413P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 06/17/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 117413P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 06/17/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 117413P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 12/18/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 123898P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 03/13/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 114708P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 03/13/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 114708P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 12/02/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122059P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 12/02/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122059P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 12/02/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122059P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 12/02/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122059P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 08/27/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 118949P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 08/27/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 118949P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 08/27/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 118949P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 04/17/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 112235P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 04/17/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 112235P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 04/17/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 112235P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 08/27/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 118950P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2820 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2822 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2802 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2825 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFOA | Perfluorooctanoic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2828 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2812 | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 12/05/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109891P | Yes | State | 2Benton | 2804M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 12/05/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109891P | Yes | State | 2Benton | 2806M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 05/09/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 104158P | Yes | State | 2Benton | 2801 | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 08/23/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 107021P | Yes | State | 2Benton | 2801 | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 08/23/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 107021P | Yes | State | 2Benton | 2803M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 02/28/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 101641P | Yes | State | 2Benton | 2801 | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 02/28/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 101641P | Yes | State | 2Benton | 2804M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 02/28/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 101641P | Yes | State | 2Benton | 2806M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 02/28/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 101641P | Yes | State | 2Benton | 2805M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 02/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 101643P | Yes | State | 2Benton | 2803M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 02/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 101643P | Yes | State | 2Benton | 2804M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 10/16/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109421R | Yes | State | 2Benton | 2805M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 11/20/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109901P | Yes | State | 2Benton | 2816M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 11/20/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109901P | Yes | State | 2Benton | 2806M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 08/22/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 107024P | Yes | State | 2Benton | 2801 | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 02/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 101644P | Yes | State | 2Benton | 2816M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 02/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 101644P | Yes | State | 2Benton | 2801 | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 02/20/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 113345P | Yes | State | 2Coos | 2806M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 02/20/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 113345P | Yes | State | 2Coos | 2805M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 08/19/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 120010P | Yes | State | 2Coos | 2816M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 08/19/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 120010P | Yes | State | 2Coos | 2804M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 08/19/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 120010P | Yes | State | 2Coos | 2805M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 05/22/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 116518P | Yes | State | 2Coos | 2805M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 06/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 105229P | Yes | State | 2Coos | 2801 | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 06/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 105229P | Yes | State | 2Coos | 2803M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 06/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 105229P | Yes | State | 2Coos | 2806M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 06/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 105229P | Yes | State | 2Coos | 2805M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 03/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 102414P | Yes | State | 2Coos | 2806M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 12/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 110957P | Yes | State | 2Coos | 2803M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 12/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 110957P | Yes | State | 2Coos | 2804M | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 01/24/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 112232P | Yes | State | 2Curry | 2801 | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 01/24/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 112232P | Yes | State | 2Curry | 2806M | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 07/23/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 118947P | Yes | State | 2Curry | 2804M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 01/09/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 100529P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 01/09/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 100529P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 04/10/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103251P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/13/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 114033R | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/13/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 114033R | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 02/13/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 114033R | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 01/09/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 100530P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 04/12/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103252P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 04/12/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103252P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109029P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 10/04/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109029P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 07/17/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 106054P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 07/17/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 106054P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 05/22/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 116522P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 05/22/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 116522P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 11/20/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122904P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 01/22/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 112233P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 01/22/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 112233P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 01/22/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 112233P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 04/24/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 115870P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 07/22/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 118948P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 07/22/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 118948P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 07/22/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 118948P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 02/20/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 113350P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 02/20/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 113350P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 08/19/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 120015P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 08/19/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 120015P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 05/28/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 116523P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 11/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109903P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 11/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109903P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 05/16/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 104170P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 101650P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 101650P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 101650P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 06/20/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 105230P | Yes | State | 2Jackson | 2816M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 06/20/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 105230P | Yes | State | 2Jackson | 2801 | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 06/20/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 105230P | Yes | State | 2Jackson | 2804M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 06/20/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 105230P | Yes | State | 2Jackson | 2806M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 06/20/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 105230P | Yes | State | 2Jackson | 2805M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 12/12/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 110958P | Yes | State | 2Jackson | 2816M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 09/27/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 108057P | Yes | State | 2Jackson | 2805M | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 06/21/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 104657P | Yes | State | 2Klamath | 2806M | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 12/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 110968P | Yes | State | 2Klamath | 2801 | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 12/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 110968P | Yes | State | 2Klamath | 2804M | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 12/09/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122903P | Yes | State | 2Lake | 2805M | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 05/22/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 116521P | Yes | State | 2Lake | 2803M | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 05/22/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 116521P | Yes | State | 2Lake | 2804M | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 05/22/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 116521P | Yes | State | 2Lake | 2806M | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 05/22/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 116521P | Yes | State | 2Lake | 2805M | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 11/20/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122901P | Yes | State | 2Lane | 2803M | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 05/22/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 116519P | Yes | State | 2Lane | 2803M | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 05/22/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 116519P | Yes | State | 2Lane | 2805M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 02/21/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 113346P | Yes | State | 2Lane | 2801 | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 08/20/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 120011P | Yes | State | 2Lane | 2803M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 08/20/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 120011P | Yes | State | 2Lane | 2804M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 08/20/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 120011P | Yes | State | 2Lane | 2806M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 05/21/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 116520P | Yes | State | 2Lane | 2803M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 05/21/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 116520P | Yes | State | 2Lane | 2804M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 01/10/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 100525P | Yes | State | 2Lincoln | 2816M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 01/10/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 100525P | Yes | State | 2Lincoln | 2806M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 04/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103248P | Yes | State | 2Lincoln | 2816M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 04/11/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103248P | Yes | State | 2Lincoln | 2804M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 04/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103248P | Yes | State | 2Lincoln | 2806M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 04/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103248P | Yes | State | 2Lincoln | 2805M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 10/03/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109025P | Yes | State | 2Lincoln | 2801 | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 10/03/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109025P | Yes | State | 2Lincoln | 2803M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 07/18/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 106049P | Yes | State | 2Lincoln | 2806M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 07/18/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 106049P | Yes | State | 2Lincoln | 2805M | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2813 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2821 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2820 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2827 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFBA | Perfluorobutanoic acid | ND | 5.03 | 2509037-01 | Yes | State | 2Lincoln | 2819 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2809 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFNA | Perfluorononanoic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2804M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 04/10/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103258P | Yes | State | 2Lincoln | 2801 | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109035P | Yes | State | 2Lincoln | 2801 | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 07/18/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 106055P | Yes | State | 2Lincoln | 2801 | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 07/18/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 106055P | Yes | State | 2Lincoln | 2803M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 07/18/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 106055P | Yes | State | 2Lincoln | 2804M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 07/18/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 106055P | Yes | State | 2Lincoln | 2806M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 03/12/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 114711P | Yes | State | 2Linn | 2801 | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 03/12/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 114711P | Yes | State | 2Linn | 2803M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 03/12/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 114711P | Yes | State | 2Linn | 2806M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 06/19/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 117415P | Yes | State | 2Linn | 2806M | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2820 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2822 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFBA | Perfluorobutanoic acid | ND | 4.98 | 2508252-01 | Yes | County | 1Washington | 2819 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2801 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFDA | Perfluorodecanoic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2807 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2804M | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFUnA | Perfluoroundecanoic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2812 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFDoA | Perfluorododecanoic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2808 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2823 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFNA | Perfluorononanoic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2804M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 01209 | SAUVIE ISLAND MOORAGE | EP-A | EP for WELL | 08/28/2025 | 10/20/2025 | PFOA | Perfluorooctanoic acid | ND | 1.98 | 2508267-01 | Yes | County | 1Multnomah | 2806M | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2821 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2801 | N |
| Yes | MULTNOMAH COUNTY | Multnomah | 91947 | PLEASANT VALLEY ELEMENTARY | EP-A | EP for WELL | 09/09/2025 | 12/05/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 2509121-01 | Yes | County | 1Multnomah | 2804M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 01/24/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 112231P | Yes | State | 1Baker | 2806M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 10/30/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122057P | Yes | State | 1Baker | 2801 | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 04/24/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 115869P | Yes | State | 1Baker | 2805M | N |
| Yes | REGION 1 | Baker | 00073 | BAKER CITY | EP-A | EP FOR WATERSHED SOURCES | 08/13/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 118946P | Yes | State | 1Baker | 2805M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 03/11/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 114706P | Yes | State | 1Clackamas | 2803M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 03/11/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 114706P | Yes | State | 1Clackamas | 2806M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 06/17/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 117412P | Yes | State | 1Clackamas | 2816M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 06/17/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 117412P | Yes | State | 1Clackamas | 2801 | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 06/17/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 117412P | Yes | State | 1Clackamas | 2803M | N |
| Yes | REGION 1 | Clackamas | 00279 | ESTACADA, CITY OF | EP-A | EP FOR CLACKAMAS RIVER | 12/17/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 123897P | Yes | State | 1Clackamas | 2803M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 04/12/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103249P | Yes | State | 1Clackamas | 2801 | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 04/12/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103249P | Yes | State | 1Clackamas | 2804M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 04/12/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103249P | Yes | State | 1Clackamas | 2806M | N |
| Yes | REGION 1 | Clackamas | 00534 | MOLALLA, CITY OF | EP-A | EP FOR MOLALLA RIVER | 10/03/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109026P | Yes | State | 1Clackamas | 2816M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 04/23/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 115868P | Yes | State | 1Clatsop | 2804M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 04/23/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 115868P | Yes | State | 1Clatsop | 2805M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 03/26/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 116070R | Yes | State | 1Clatsop | 2806M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 03/26/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 116070R | Yes | State | 1Clatsop | 2805M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 07/23/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 118945P | Yes | State | 1Clatsop | 2804M | N |
| Yes | REGION 1 | Clatsop | 00055 | ASTORIA, CITY OF | EP-A | EP FOR CREEKS AND MIDDLE LAKE | 07/23/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 118945P | Yes | State | 1Clatsop | 2806M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 12/12/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 110959P | Yes | State | 1Clatsop | 2803M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 12/12/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 110959P | Yes | State | 1Clatsop | 2804M | N |
| Yes | REGION 1 | Clatsop | 00932 | WARRENTON, CITY OF | EP-A | EP FOR WTP (LEWIS & CLARK RIVER/CREEK) | 12/12/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 110959P | Yes | State | 1Clatsop | 2806M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 02/11/2025 | 03/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 380-136085-1-P | Yes | State | 1Clatsop | 2816M | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2813 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2814 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2808 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFHpA | Perfluoroheptanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2802 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2809 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2823 | N |
| Yes | REGION 1 | Clatsop | 95443 | CAMP RILEA | EP-B | EP FOR WELLS #2 AND #3 | 08/13/2025 | 10/03/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.00 | 170-312-1A | Yes | State | 1Clatsop | 2824 | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 10/18/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109422R | Yes | State | 1Columbia | 2803M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 10/18/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109422R | Yes | State | 1Columbia | 2805M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 11/20/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109902P | Yes | State | 1Columbia | 2816M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 11/20/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109902P | Yes | State | 1Columbia | 2803M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 08/22/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 107025P | Yes | State | 1Columbia | 2816M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 08/22/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | 1.30 | 1.00 | 107025P | Yes | State | 1Columbia | 2801 | D |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 08/22/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 107025P | Yes | State | 1Columbia | 2803M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 08/22/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 107025P | Yes | State | 1Columbia | 2804M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-A | EP FOR WTP-A | 02/22/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 101645P | Yes | State | 1Columbia | 2804M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 02/22/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 101646P | Yes | State | 1Columbia | 2804M | N |
| Yes | REGION 1 | Columbia | 00792 | SCAPPOOSE, CITY OF | EP-B | EP FOR MILLER ROAD WELLS | 02/22/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 101646P | Yes | State | 1Columbia | 2805M | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2820 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2814 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2808 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2803M | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2825 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2823 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFNA | Perfluorononanoic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2804M | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFOA | Perfluorooctanoic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2806M | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2805M | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2828 | N |
| Yes | REGION 1 | Columbia | 05737 | BERNDT CREEK WATER CORP | EP-A | EP FOR ROCK CREEK | 09/03/2025 | 12/05/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.01 | 2509059-01 | Yes | State | 1Columbia | 2812 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 04/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103255P | Yes | State | 1Crook | 2816M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 04/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103255P | Yes | State | 1Crook | 2801 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 04/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103255P | Yes | State | 1Crook | 2806M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-C | EP FOR LAMONTA WELL | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109032P | Yes | State | 1Crook | 2816M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-D | EP FOR YANCEY WELLS | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109031P | Yes | State | 1Crook | 2804M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-G | EP FOR AIRPORT WELLS | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109034P | Yes | State | 1Crook | 2801 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 04/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103253P | Yes | State | 1Crook | 2801 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 04/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103253P | Yes | State | 1Crook | 2806M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 04/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103253P | Yes | State | 1Crook | 2805M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109030P | Yes | State | 1Crook | 2801 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-H | EP FOR BARNEY WELL | 10/04/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109030P | Yes | State | 1Crook | 2803M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109033P | Yes | State | 1Crook | 2806M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 08/08/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 106459R | Yes | State | 1Crook | 2801 | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 08/08/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 106459R | Yes | State | 1Crook | 2804M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 08/08/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 106459R | Yes | State | 1Crook | 2806M | N |
| Yes | REGION 1 | Crook | 00682 | PRINEVILLE, CITY OF | EP-J | EP FOR MILLICAN (AIRPORT 3) WELL | 08/08/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 106459R | Yes | State | 1Crook | 2805M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 03/22/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 102411P | Yes | State | 1Deschutes | 2816M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 09/19/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 108053P | Yes | State | 1Deschutes | 2816M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 09/19/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 108053P | Yes | State | 1Deschutes | 2801 | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-B | EP FOR PINEBROOK WELLS 4 & 9 | 09/19/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 108053P | Yes | State | 1Deschutes | 2804M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 03/22/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 102412P | Yes | State | 1Deschutes | 2801 | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 03/22/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 102412P | Yes | State | 1Deschutes | 2804M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 03/22/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 102412P | Yes | State | 1Deschutes | 2806M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-C | EP FOR WELL #10 | 09/19/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 108054P | Yes | State | 1Deschutes | 2805M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 03/22/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 102413P | Yes | State | 1Deschutes | 2803M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 03/22/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 102413P | Yes | State | 1Deschutes | 2806M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 09/19/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 108055P | Yes | State | 1Deschutes | 2816M | N |
| Yes | REGION 1 | Deschutes | 00113 | ROATS WATER SYSTEM | EP-D | EP FOR PARRELL RD | 09/19/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 108055P | Yes | State | 1Deschutes | 2804M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 08/21/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 107028P | Yes | State | 1Deschutes | 2801 | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 08/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 107028P | Yes | State | 1Deschutes | 2803M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 08/21/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 107028P | Yes | State | 1Deschutes | 2804M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 08/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 107028P | Yes | State | 1Deschutes | 2805M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 02/20/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 101648P | Yes | State | 1Deschutes | 2816M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-C | EP for WELL #9 (PRIMARY) | 02/20/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 101648P | Yes | State | 1Deschutes | 2803M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 02/20/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 101647P | Yes | State | 1Deschutes | 2816M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 02/20/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 101647P | Yes | State | 1Deschutes | 2801 | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 02/20/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 101647P | Yes | State | 1Deschutes | 2806M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-E | EP FOR WELL #14 (L84233) | 02/20/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 101647P | Yes | State | 1Deschutes | 2805M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 08/21/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 107029P | Yes | State | 1Deschutes | 2816M | N |
| Yes | REGION 1 | Deschutes | 00846 | SUNRIVER WATER LLC/SUNRIVER UTILITIES | EP-F | EP FOR NORTH RESERVIOR WELL | 03/22/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 101649P | Yes | State | 1Deschutes | 2801 | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-A | EP FOR DESCHUTES VALLEY WD (00501) | 04/24/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 117098R | Yes | State | 1Jefferson | 2803M | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 02/21/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 113348P | Yes | State | 1Jefferson | 2801 | N |
| Yes | REGION 1 | Jefferson | 00500 | MADRAS, CITY OF | EP-C | EP FOR WELL #3 | 02/21/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 113348P | Yes | State | 1Jefferson | 2803M | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 05/17/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 104159P | Yes | State | 1Marion | 2803M | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 05/17/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 104159P | Yes | State | 1Marion | 2804M | N |
| Yes | REGION 1 | Marion | 00065 | AUMSVILLE, CITY OF | EP-A | EP FOR WELLS | 05/17/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 104159P | Yes | State | 1Marion | 2805M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 05/21/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 380-141161-1FRB-P | Yes | State | 1Morrow | 2804M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 03/13/2025 | 05/21/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 380-141161-1-P | Yes | State | 1Morrow | 2816M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2814 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2808 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2823 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2806M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-A | EP FOR WELLS #4 & #5 | 09/17/2025 | 10/03/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.00 | 170-1053-1 | Yes | State | 1Morrow | 2828 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 05/21/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 380-141161-2FRB-P | Yes | State | 1Morrow | 2816M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 05/21/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 380-141161-2FRB-P | Yes | State | 1Morrow | 2801 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 05/21/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 380-141161-2-P | Yes | State | 1Morrow | 2804M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 03/13/2025 | 05/21/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 380-141161-2-P | Yes | State | 1Morrow | 2806M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2821 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2815 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2827 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2809 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2823 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-B | EP FOR WELLS #1A & #2 | 09/17/2025 | 10/03/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 170-1048-1 | Yes | State | 1Morrow | 2804M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 05/21/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | 380-141161-3FRB-P | Yes | State | 1Morrow | 2804M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 03/13/2025 | 05/21/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | 380-141161-3-P | Yes | State | 1Morrow | 2801 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2813 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2820 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2822 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFBA | Perfluorobutanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2819 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2826 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2829 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2809 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2803M | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2823 | N |
| Yes | REGION 1 | Morrow | 01136 | REES TRAINING CENTER | EP-C | EP FOR WELL #6 & #7 | 09/17/2025 | 10/03/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.00 | 170-1054-1 | Yes | State | 1Morrow | 2824 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 05/21/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | PFC0002-01-P | Yes | State | 1Morrow | 2816M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 05/21/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | PFC0002-01-P | Yes | State | 1Morrow | 2803M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 05/21/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | PFC0002-01-P | Yes | State | 1Morrow | 2805M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 05/21/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | PFC0002-02-P | Yes | State | 1Morrow | 2816M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 05/21/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.00 | PFC0002-02-P | Yes | State | 1Morrow | 2801 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 05/21/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.00 | PFC0002-02-P | Yes | State | 1Morrow | 2803M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 03/13/2025 | 05/21/2025 | PFNA | Perfluorononanoic acid | ND | 2.00 | PFC0002-02-P | Yes | State | 1Morrow | 2804M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2813 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2820 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2815 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2816M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2809 | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFOA | Perfluorooctanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2806M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2805M | N |
| Yes | REGION 1 | Morrow | 06300 | OMD TUAV FACILITY - BOARDMAN | EP-A | EP FOR WELL | 09/17/2025 | 10/03/2025 | PFUnA | Perfluoroundecanoic acid | ND | 2.00 | 170-1052-1 | Yes | State | 1Morrow | 2812 | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 01/24/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 112236P | Yes | State | 1Multnomah | 2816M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 01/24/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 112236P | Yes | State | 1Multnomah | 2804M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-B | EP for WELL #2 | 09/23/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | 1.30 | 1.30 | 122350R | Yes | State | 1Multnomah | 2806M | D |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 01/24/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 112237P | Yes | State | 1Multnomah | 2801 | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-C | EP for WELL #3 | 01/24/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | 1.30 | 1.00 | 112237P | Yes | State | 1Multnomah | 2803M | D |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 09/11/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 121435R | Yes | State | 1Multnomah | 2804M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 07/24/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 118953P | Yes | State | 1Multnomah | 2816M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 07/24/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 118953P | Yes | State | 1Multnomah | 2803M | N |
| Yes | REGION 1 | Multnomah | 00904 | WOOD VILLAGE, CITY OF | EP-D | EP FOR WELL #4 | 07/24/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 118953P | Yes | State | 1Multnomah | 2805M | N |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 05/16/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | 3.20 | 1.00 | 104161P | Yes | State | 1Polk | 2801 | D |
| Yes | REGION 1 | Polk | 00399 | INDEPENDENCE WATER SYSTEM | EP-A | EP FOR SOUTH WELLFIELD (5 WELLS) | 11/20/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109894P | Yes | State | 1Polk | 2803M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 01/23/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 100528P | Yes | State | 1Polk | 2803M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 01/23/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 100528P | Yes | State | 1Polk | 2806M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 01/23/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 100528P | Yes | State | 1Polk | 2805M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 04/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103250P | Yes | State | 1Polk | 2803M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 04/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103250P | Yes | State | 1Polk | 2806M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109027P | Yes | State | 1Polk | 2804M | N |
| Yes | REGION 1 | Polk | 00537 | MONMOUTH, CITY OF | EP-A | EP FOR WELLS | 07/27/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 106052P | Yes | State | 1Polk | 2804M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 03/15/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 101767R | Yes | State | 1Umatilla | 2804M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 07/17/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 106056P | Yes | State | 1Umatilla | 2816M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-A | EP FOR GOLF COURSE AND PORT WELLS | 07/17/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 106056P | Yes | State | 1Umatilla | 2806M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 01/09/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 100535P | Yes | State | 1Umatilla | 2801 | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 01/09/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 100535P | Yes | State | 1Umatilla | 2805M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 07/17/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 106057P | Yes | State | 1Umatilla | 2801 | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-B | EP FOR INTERTIE WELL | 07/17/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 106057P | Yes | State | 1Umatilla | 2805M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 01/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 100536P | Yes | State | 1Umatilla | 2803M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 07/17/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 106058P | Yes | State | 1Umatilla | 2816M | N |
| Yes | REGION 1 | Umatilla | 00914 | UMATILLA, CITY OF | EP-C | EP FOR MCFARLAND WELL | 07/17/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 106058P | Yes | State | 1Umatilla | 2806M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 10/23/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122060P | Yes | State | 1Wasco | 2804M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-A | EP FOR WELL #4 | 04/22/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 115872P | Yes | State | 1Wasco | 2804M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 04/22/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 115873P | Yes | State | 1Wasco | 2816M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-B | EP FOR WELL #3 | 04/22/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 115873P | Yes | State | 1Wasco | 2806M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 10/23/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122062P | Yes | State | 1Wasco | 2804M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 04/22/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 115874P | Yes | State | 1Wasco | 2801 | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-C | EP FOR LC WELL #3 | 04/22/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 115874P | Yes | State | 1Wasco | 2806M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 10/23/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122063P | Yes | State | 1Wasco | 2803M | N |
| Yes | REGION 1 | Wasco | 00867 | CHENOWITH PUD | EP-E | EP FOR FLECK WELL #5 | 04/22/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 115875P | Yes | State | 1Wasco | 2801 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2829 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFHxA | Perfluorohexanoic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2809 | N |
| Yes | REGION 1 | Washington | 00379 | JOINT WATER COMMISSION | EP-A | EP FOR TUALATIN RIVER | 10/01/2025 | 11/17/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.00 | 170-1263-1A | Yes | State | 1Washington | 2828 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2821 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2815 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFBA | Perfluorobutanoic acid | ND | 5.04 | 2509070-01 | Yes | State | 1Yamhill | 2819 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2808 | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFNA | Perfluorononanoic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00041 | AMITY, CITY OF | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.02 | 2509070-01 | Yes | State | 1Yamhill | 2828 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2820 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFBA | Perfluorobutanoic acid | ND | 4.88 | 2509071-01 | Yes | State | 1Yamhill | 2819 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFHpS | Perfluoroheptanesulfonic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2829 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2825 | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFOA | Perfluorooctanoic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00171 | CARLTON, CITY OF | EP-A | EP FOR PANTHER CREEK | 09/04/2025 | 12/05/2025 | PFPeS | Perfluoropentanesulfonic acid | ND | 1.95 | 2509071-01 | Yes | State | 1Yamhill | 2828 | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109020P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 04/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103243P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 04/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103243P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-A | EP FOR SPRINGS 1 & 2, WELLS 7, 8 & 13 | 04/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103243P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 04/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103244P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 04/11/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 103244P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109021P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-B | EP FOR PRUITT WELLS (#5 & #6) | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109021P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 04/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103245P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-C | EP FOR DEEP WELL (#3) | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109022P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 04/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103246P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 04/11/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 103246P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-E | EP FOR WELL #9 | 10/04/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109023P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00262 | DUNDEE, CITY OF | EP-F | EP FOR WELL #10 | 04/11/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103247P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 09/17/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 121077P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 09/17/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 121077P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 09/17/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 121077P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 06/17/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 117414P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 06/17/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 117414P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-A | EP FOR CONTROL BUILDING | 12/18/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 123899P | Yes | State | 1Yamhill | 2801 | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 10/23/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122435R | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 03/13/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 114709P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-C | EP FOR CITY PARK WELL | 03/13/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 114709P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 09/17/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 121074P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-D | EP FOR DAYTON/LAFAYETTE WELLFIELD | 09/17/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 121074P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 09/17/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 121075P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 09/17/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 121075P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 09/17/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 121075P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 09/17/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 121075P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00452 | LAFAYETTE, CITY OF | EP-E | EP FOR MCMINNVILLE WATER & LIGHT | 03/13/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 114708P | Yes | State | 1Yamhill | 2803M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 04/17/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 112234P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 04/17/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 112234P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 04/17/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 112234P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 12/02/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122059P | Yes | State | 1Yamhill | 2806M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 08/27/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 118949P | Yes | State | 1Yamhill | 2816M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-A | EP FOR SOUTH YAMHILL RIVER | 08/27/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 118949P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 04/17/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 112235P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 08/27/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 118950P | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00811 | SHERIDAN, CITY OF | EP-B | EP FOR SPRINGS | 08/27/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 118950P | Yes | State | 1Yamhill | 2805M | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2814 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFBA | Perfluorobutanoic acid | ND | 5.10 | 2509072-01 | Yes | State | 1Yamhill | 2819 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2826 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2823 | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFNA | Perfluorononanoic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2804M | N |
| Yes | REGION 1 | Yamhill | 00968 | YAMHILL, CITY OF | EP-A | EP FOR TURNER CREEK | 09/04/2025 | 12/05/2025 | PFPeA | Perfluoropentanoic acid | ND | 2.04 | 2509072-01 | Yes | State | 1Yamhill | 2824 | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 12/05/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109891P | Yes | State | 2Benton | 2803M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 12/05/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109891P | Yes | State | 2Benton | 2805M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 05/09/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 104158P | Yes | State | 2Benton | 2803M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 05/09/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 104158P | Yes | State | 2Benton | 2805M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 08/23/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 107021P | Yes | State | 2Benton | 2804M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 08/23/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 107021P | Yes | State | 2Benton | 2806M | N |
| Yes | REGION 2 | Benton | 00003 | ADAIR VILLAGE WATER SYSTEM | EP-A | EP FOR WILLAMETTE RIVER | 02/28/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 101641P | Yes | State | 2Benton | 2803M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 10/16/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109420R | Yes | State | 2Benton | 2801 | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 10/16/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 109420R | Yes | State | 2Benton | 2803M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 11/20/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109900P | Yes | State | 2Benton | 2816M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 11/20/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109900P | Yes | State | 2Benton | 2801 | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 11/20/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109900P | Yes | State | 2Benton | 2805M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 08/22/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 107023P | Yes | State | 2Benton | 2816M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-A | EP FOR MARY'S RIVER | 08/22/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 107023P | Yes | State | 2Benton | 2806M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 10/16/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109421R | Yes | State | 2Benton | 2801 | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 10/16/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 109421R | Yes | State | 2Benton | 2806M | N |
| Yes | REGION 2 | Benton | 00624 | PHILOMATH PUBLIC WORKS | EP-C | EP FOR CORVALLIS (ROCK CREEK) | 11/20/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109901P | Yes | State | 2Benton | 2804M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 11/19/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122900P | Yes | State | 2Coos | 2816M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 11/19/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122900P | Yes | State | 2Coos | 2803M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 11/19/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122900P | Yes | State | 2Coos | 2805M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 08/19/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 120010P | Yes | State | 2Coos | 2801 | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 08/19/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 120010P | Yes | State | 2Coos | 2803M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 05/22/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 116518P | Yes | State | 2Coos | 2816M | N |
| Yes | REGION 2 | Coos | 00074 | BANDON, CITY OF | EP-A | EP FOR WTP | 05/22/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 116518P | Yes | State | 2Coos | 2803M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 12/11/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 110957P | Yes | State | 2Coos | 2816M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 12/11/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 110957P | Yes | State | 2Coos | 2801 | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 09/18/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 108056P | Yes | State | 2Coos | 2816M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 09/18/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 108056P | Yes | State | 2Coos | 2803M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 09/18/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 108056P | Yes | State | 2Coos | 2806M | N |
| Yes | REGION 2 | Coos | 00213 | COQUILLE, CITY OF | EP-A | EP FOR WTP | 09/18/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 108056P | Yes | State | 2Coos | 2805M | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 01/24/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 112232P | Yes | State | 2Curry | 2804M | N |
| Yes | REGION 2 | Curry | 00149 | BROOKINGS, CITY OF | EP-A | EP FOR CHETCO RIVER (I.G.) | 07/23/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 118947P | Yes | State | 2Curry | 2806M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 01/09/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 100529P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 01/09/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 100529P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 04/10/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 103251P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 04/10/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103251P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 05/06/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 117142R | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 05/06/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 117142R | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00549 | TRI-CITY JW&SA | EP-A | EP FOR SOUTH UMPQUA | 05/06/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 117142R | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 01/09/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 100530P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109029P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00550 | MYRTLE CREEK, CITY OF | EP-A | EP FOR S UMPQUA RIVER | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109029P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 08/26/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 120014P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 08/26/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 120014P | Yes | State | 2Douglas | 2803M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 08/26/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 120014P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00699 | REEDSPORT, CITY OF | EP-A | EP for CLEAR LAKE | 04/23/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 117063R | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 01/22/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 112233P | Yes | State | 2Douglas | 2806M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 01/22/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 112233P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 10/23/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122058P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 04/24/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 115870P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00717 | GREEN AREA WATER & SANITARY AUTHORITY | EP-A | EP FOR SOUTH UMPQUA RIVER | 04/24/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 115870P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 11/19/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122905P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 11/19/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 122905P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 08/19/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 120015P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 05/28/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 116523P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 05/28/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 116523P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00719 | UMPQUA BASIN WATER ASSOC | EP-A | EP FOR NORTH UMPQUA | 05/28/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 116523P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 05/16/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 104170P | Yes | State | 2Douglas | 2816M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 08/23/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 107030P | Yes | State | 2Douglas | 2801 | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 08/23/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 107030P | Yes | State | 2Douglas | 2804M | N |
| Yes | REGION 2 | Douglas | 00957 | WINSTON-DILLARD WATER DISTRICT | EP-A | EP FOR SOUTH UMPQUA RIVER | 02/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 101650P | Yes | State | 2Douglas | 2805M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 06/20/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 105230P | Yes | State | 2Jackson | 2803M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 03/22/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 102415P | Yes | State | 2Jackson | 2804M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 12/12/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 110958P | Yes | State | 2Jackson | 2801 | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 12/12/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 110958P | Yes | State | 2Jackson | 2803M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 12/12/2023 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 110958P | Yes | State | 2Jackson | 2806M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 09/27/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 108057P | Yes | State | 2Jackson | 2816M | N |
| Yes | REGION 2 | Jackson | 00857 | TALENT, CITY OF | EP-B | EP FOR MEDFORD W.C. | 09/27/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 108057P | Yes | State | 2Jackson | 2803M | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 06/21/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 104657P | Yes | State | 2Klamath | 2803M | N |
| Yes | REGION 2 | Klamath | 93997 | OREGON INSTITUTE OF TECHNOLOGY | EP-A | EP FOR WELL #1 | 06/21/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 104657P | Yes | State | 2Klamath | 2805M | N |
| Yes | REGION 2 | Lake | 00464 | LAKEVIEW, CITY OF | EP-A | EP FOR WELLS & SPRINGS | 12/09/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 122903P | Yes | State | 2Lake | 2806M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 11/20/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109893P | Yes | State | 2Lane | 2816M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 05/15/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 104160P | Yes | State | 2Lane | 2816M | N |
| Yes | REGION 2 | Lane | 00246 | CRESWELL, CITY OF | EP-B | EP FOR GARDEN LAKE WELLS AND RIVER | 05/15/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 104160P | Yes | State | 2Lane | 2805M | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 05/22/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 116519P | Yes | State | 2Lane | 2801 | N |
| Yes | REGION 2 | Lane | 00299 | FLORENCE, CITY OF | EP-A | EP FOR WELLS | 05/22/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 116519P | Yes | State | 2Lane | 2804M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 11/20/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 122902P | Yes | State | 2Lane | 2816M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 11/20/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 122902P | Yes | State | 2Lane | 2801 | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 11/20/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 122902P | Yes | State | 2Lane | 2803M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 11/20/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 122902P | Yes | State | 2Lane | 2805M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 08/20/2024 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 120011P | Yes | State | 2Lane | 2805M | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 05/21/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 116520P | Yes | State | 2Lane | 2801 | N |
| Yes | REGION 2 | Lane | 00301 | HECETA WATER PEOPLES UTILITY DISTRICT | EP-A | EP for CLEAR LAKE | 05/21/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 116520P | Yes | State | 2Lane | 2806M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 01/10/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 100525P | Yes | State | 2Lincoln | 2803M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 01/10/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 100525P | Yes | State | 2Lincoln | 2804M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 10/03/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109025P | Yes | State | 2Lincoln | 2804M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 10/03/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 109025P | Yes | State | 2Lincoln | 2805M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 07/18/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 106049P | Yes | State | 2Lincoln | 2816M | N |
| Yes | REGION 2 | Lincoln | 00324 | KERNVILLE-GLENEDEN-LINC BCH WD | EP-A | EP FOR DRIFT & SIDE CREEK | 07/18/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 106049P | Yes | State | 2Lincoln | 2801 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFDA | Perfluorodecanoic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2807 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFDoA | Perfluorododecanoic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2808 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2826 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2803M | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2825 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2823 | N |
| Yes | REGION 2 | Lincoln | 00603 | PANTHER CREEK WD | EP-A | EP FOR PANTHER CR & WELL #3 | 09/02/2025 | 12/05/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 2.01 | 2509037-01 | Yes | State | 2Lincoln | 2805M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 01/10/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 100532P | Yes | State | 2Lincoln | 2803M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 04/10/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 103258P | Yes | State | 2Lincoln | 2816M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 04/10/2023 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 103258P | Yes | State | 2Lincoln | 2803M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 04/10/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 103258P | Yes | State | 2Lincoln | 2804M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109035P | Yes | State | 2Lincoln | 2816M | N |
| Yes | REGION 2 | Lincoln | 00899 | TOLEDO WATER UTILITIES | EP-A | EP FOR MILL CREEK AND SILETZ RIVER | 10/04/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 109035P | Yes | State | 2Lincoln | 2804M | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 03/20/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 101724R | Yes | State | 2Linn | 2801 | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 03/20/2023 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 101724R | Yes | State | 2Linn | 2804M | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 03/20/2023 | 09/04/2025 | PFOS | Perfluorooctanesulfonic acid | ND | 1.30 | 101724R | Yes | State | 2Linn | 2805M | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 10/04/2023 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 109329R | Yes | State | 2Linn | 2816M | N |
| Yes | REGION 2 | Linn | 00366 | HARRISBURG, CITY OF | EP-A | EP FOR WELLS 4-7 | 10/04/2023 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 109329R | Yes | State | 2Linn | 2801 | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 09/18/2024 | 09/04/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 1.00 | 121078P | Yes | State | 2Linn | 2801 | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 09/18/2024 | 09/04/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.00 | 121078P | Yes | State | 2Linn | 2803M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 09/18/2024 | 09/04/2025 | PFNA | Perfluorononanoic acid | ND | 1.30 | 121078P | Yes | State | 2Linn | 2804M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 09/18/2024 | 09/04/2025 | PFOA | Perfluorooctanoic acid | ND | 1.30 | 121078P | Yes | State | 2Linn | 2806M | N |
| Yes | REGION 2 | Linn | 00851 | SWEET HOME, CITY OF | EP-B | EP FOR FOSTER LAKE DAM | 06/19/2024 | 09/04/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.70 | 117415P | Yes | State | 2Linn | 2816M | N |
| Yes | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 05/06/2025 | 05/13/2025 | PFBS | Perfluorobutanesulfonic acid | ND | 0.890 | K2504629-002-P | Yes | State | 2Linn | 2801 | N |
| Yes | REGION 2 | Linn | 92152 | CASCADE PACIFIC PULP LLC | EP-A | EP for WILLAMETTE RIVER | 05/06/2025 | 05/13/2025 | PFOA | Perfluorooctanoic acid | ND | 1.00 | K2504629-002-P | Yes | State | 2Linn | 2806M | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2814 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2816M | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFHpA | Perfluoroheptanoic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2802 | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFHxS | Perfluorohexanesulfonic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2803M | N |
| Yes | WASHINGTON COUNTY | Washington | 00315 | LAURELWOOD WATER USERS | EP-A | EP FOR SOUTH SPRING | 08/27/2025 | 10/20/2025 | PFPeA | Perfluoropentanoic acid | ND | 1.99 | 2508252-01 | Yes | County | 1Washington | 2824 | N |