OHA Drinking Water Services
OR41
PWS ID: 00338 ---- GRAND RONDE COMMUNITY WTR ASSN
Coliform Results

See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  Batch Numbers

Sample types:  AS=Assessment, CO=Confirmation, MU=Make-up, RP=Repeat, RT=Routine, SP=Special, TG=Triggered. See the glossary for more information.

Filter options:  Show special samples  ::  Show rejected samples  ::  Include results older than 2023

Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Jan 05, 2026 1RT Total Absent 20260105021 26690 SALMON RIVER H DIST-A Jan 12, 2026
Jan 05, 2026 1RT Total Absent 20260105020 HEBO PS SAMPLE TAP DIST-A Jan 12, 2026
Dec 02, 2025 1RT Total Absent 20251202032 YAMHILL RIVER RD SS DIST-A Dec 10, 2025
Dec 02, 2025 1RT Total Absent 20251202031 WILLAMINA CR RD SS DIST-A Dec 10, 2025
Nov 18, 2025 1RT Total Absent 20251118024 26690 SALMON RIVER H DIST-A Nov 26, 2025
Nov 18, 2025 1RT Total Absent 20251118023 YAMHILL RIVER RD SS DIST-A Nov 26, 2025
Oct 14, 2025 1RT Total Absent 20251014-029-2 DIST-A Oct 21, 2025
Oct 14, 2025 1RT Total Absent 20251014-029-1 DIST-A Oct 21, 2025
Oct 14, 2025 1RT Total Absent 20251014030 WILLAMINIA CR RD SS DIST-A Oct 21, 2025
Oct 14, 2025 1RT Total Absent 20251014029 YAMHILL RIVER RD SS DIST-A Oct 21, 2025
Sep 10, 2025 1RT Total Absent 20250910026 YAMHILL RIVER RD DIST-A Sep 22, 2025
Sep 10, 2025 1RT Total Absent 20250910025 HEBO PS DIST-A Sep 22, 2025
Sep 10, 2025 1RT Total Absent 20250910-025-2 DIST-A Sep 19, 2025
Sep 10, 2025 1RT Total Absent 20250910-025-1 DIST-A Sep 19, 2025
Aug 18, 2025 1RT Total Absent 20250818021 HEBO PS DIST-A Aug 28, 2025
Aug 18, 2025 1RT Total Absent 20250818020 26690 SALMON RIVER DIST-A Aug 28, 2025
Jul 14, 2025 1RT Total Absent 20250714020 YAMHILL RIVER RD DIST-A Jul 24, 2025
Jul 14, 2025 1RT Total Absent 20250714019 WILLAMINA CR RD DIST-A Jul 24, 2025
Jun 11, 2025 1RT Total Absent 20250611-020-2 DIST-A Jul 03, 2025
Jun 11, 2025 1RT Total Absent 20250611-020-1 DIST-A Jul 03, 2025
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Jun 11, 2025 1RT Total Absent 20250611021 HEBO DIST-A Jun 20, 2025
Jun 11, 2025 1RT Total Absent 20250611020 YAMHILL RIVER RD DIST-A Jun 20, 2025
May 20, 2025 1RT Total Absent 20250520-018-2 DIST-A Jun 12, 2025
May 20, 2025 1RT Total Absent 20250520-018-1 DIST-A Jun 12, 2025
May 20, 2025 1RT Total Absent 20250520019 HEBO PS DIST-A Jun 05, 2025
May 20, 2025 1RT Total Absent 20250520018 26690 SALMON RIVER H DIST-A Jun 05, 2025
Apr 16, 2025 1RT Total Absent 20250416-030-2 DIST-A Apr 28, 2025
Apr 16, 2025 1RT Total Absent 20250416-030-1 DIST-A Apr 28, 2025
Apr 16, 2025 1RT Total Absent 20250416031 WILLAMINA CR RD DIST-A Apr 24, 2025
Apr 16, 2025 1RT Total Absent 20250416030 YAMHILL RIVER RD DIST-A Apr 24, 2025
Mar 05, 2025 1RT Total Absent 20250305028 HEBO PS DIST-A Mar 13, 2025
Mar 05, 2025 1RT Total Absent 20250305027 26690 SALMON RIVER DIST-A Mar 13, 2025
Feb 07, 2025 1RT Total Absent 20250207014 WILLAMINA CR RD DIST-A Feb 21, 2025
Feb 07, 2025 1RT Total Absent 20250207013 YAMHILL RIVER RD DIST-A Feb 21, 2025
Jan 09, 2025 1RT Total Absent 20250109010 HEBO PS DIST-A Jan 17, 2025
Jan 09, 2025 1RT Total Absent 20250109009 WILLAMINA CR RD DIST-A Jan 17, 2025
Dec 02, 2024 1RT Total Absent 20241202020 26690 SALMON RIVER DIST-A Dec 12, 2024
Dec 02, 2024 1RT Total Absent 20241202019 YAMHILL RIVER RD DIST-A Dec 12, 2024
Nov 15, 2024 1RT Total Absent 20241115003 YAMHILL RIVER RD DIST-A Nov 27, 2024
Nov 15, 2024 1RT Total Absent 20241115002 WILLAMINA CR RD DIST-A Nov 27, 2024
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Oct 03, 2024 1RT Total Absent 20241003020 HEBO PS DIST-A Oct 23, 2024
Oct 03, 2024 1RT Total Absent 20241003019 YAMHILL RIVER RD DIST-A Oct 23, 2024
Sep 19, 2024 1RT Total Absent 20240919009 26690 SALMON RIVER DIST-A Sep 27, 2024
Sep 19, 2024 1RT Total Absent 20240919008 HEBO PS DIST-A Sep 27, 2024
Aug 15, 2024 1RT Total Absent 20240815007 YAMHILL RIVER RD DIST-A Aug 26, 2024
Aug 15, 2024 1RT Total Absent 20240815006 HEBO PS DIST-A Aug 26, 2024
Jul 15, 2024 1RT Total Absent 20240715070 26690 SALMON RIVER DIST-A Jul 31, 2024
Jul 15, 2024 1RT Total Absent 20240715069 YAMHILL RIVER RD DIST-A Jul 31, 2024
Jun 06, 2024 1RT Total Absent 20240606013 YAMHILL RIVER RD DIST-A Jun 19, 2024
Jun 06, 2024 1RT Total Absent 20240606012 HEBO PS DIST-A Jun 19, 2024
May 14, 2024 1RT Total Absent 20240514017 WILLAMINA CR RD DIST-A May 22, 2024
May 14, 2024 1RT Total Absent 20240514016 26690 SALMON RIVER DIST-A May 22, 2024
Apr 02, 2024 1RT Total Absent 20240402024 HEBO PS DIST-A Apr 12, 2024
Apr 02, 2024 1RT Total Absent 20240402023 YAMHILL RIVER RD DIST-A Apr 12, 2024
Apr 02, 2024 1RT Total Absent 20240402-023-2 DIST-A Apr 11, 2024
Apr 02, 2024 1RT Total Absent 20240402-023-1 DIST-A Apr 11, 2024
Mar 12, 2024 1RT Total Absent 20240312023 WILLAMINA CR RD DIST-A Mar 19, 2024
Mar 12, 2024 1RT Total Absent 20240312022 26690 SALMON RIVER DIST-A Mar 19, 2024
Mar 12, 2024 1RT Total Absent 20240312-022-2 DIST-A Mar 18, 2024
Mar 12, 2024 1RT Total Absent 20240312-022-1 DIST-A Mar 18, 2024
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Feb 06, 2024 1RT Total Absent 20240206041 YAMHILL RIVER RD DIST-A Feb 14, 2024
Feb 06, 2024 1RT Total Absent 20240206040 HEBO PS DIST-A Feb 14, 2024
Jan 05, 2024 1RT Total Absent 20240105005 YAMHILL RIVER RD DIST-A Jan 18, 2024
Jan 05, 2024 1RT Total Absent 20240105004 26690 SALMON R HWY DIST-A Jan 18, 2024
Dec 08, 2023 1RT Total Absent 20231208012 HEBO PS DIST-A Dec 19, 2023
Dec 08, 2023 1RT Total Absent 20231208011-2 DIST-A Dec 19, 2023
Dec 08, 2023 1RT Total Absent 20231208011-1 DIST-A Dec 19, 2023
Nov 13, 2023 1RT Total Absent 20231113010 26690 SALMON RIVER DIST-A Nov 20, 2023
Nov 13, 2023 1RT Total Absent 20231113009 HEBO SAMPLE STATION DIST-A Nov 20, 2023
Oct 19, 2023 1RT Total Absent 20231019005 YAMHILL RIVER RD DIST-A Oct 25, 2023
Oct 19, 2023 1RT Total Absent 20231019004 26690 SALMON RIVER H DIST-A Oct 25, 2023
Sep 26, 2023 1TG Total POSITIVE 20230926-017 20230922-003 SPRING C SRC-AG Sep 27, 2023
TG E. coli Absent 20230926-017 20230922-003 SPRING C SRC-AG
Sep 26, 2023 1TG Total POSITIVE 20230926-016 20230922-003 SPRINGS SRC-AF Sep 27, 2023
TG E. coli Absent 20230926-016 20230922-003 SPRINGS SRC-AF
Sep 26, 2023 1TG Total POSITIVE 20230926-015 20230922-003 SPRING SRC-AE Sep 27, 2023
TG E. coli Absent 20230926-015 20230922-003 SPRING SRC-AE
Sep 26, 2023 1TG Total Absent 20230926-014 20230922-003 SPRINGS CH-A Sep 27, 2023
Sep 22, 2023 1RT Total POSITIVE 20230922-004 HEBO PS SAMPLE TAP DIST-A Sep 25, 2023
RT E. coli Absent 20230922-004 HEBO PS SAMPLE TAP DIST-A
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Sep 22, 2023 1RT Total POSITIVE 20230922-003 YAMHILL RIVER RD DIST-A Sep 25, 2023
RT E. coli Absent 20230922-003 YAMHILL RIVER RD DIST-A
Aug 02, 2023 1RT Total Absent 20230802012 YAMHILL R RD DIST-A Aug 11, 2023
Aug 02, 2023 1RT Total Absent 20230802011 26690 SALMON R HWY DIST-A Aug 11, 2023
Jul 18, 2023 1RT Total Absent 20230718031 YAMHILL RIVER RD DIST-A Aug 07, 2023
Jul 18, 2023 1RT Total Absent 20230718030 HEBO PS DIST-A Aug 07, 2023
Jul 18, 2023 1RT Total Absent 20230718-030-2 DIST-A Jul 27, 2023
Jul 18, 2023 1RT Total Absent 20230718-030-1 DIST-A Jul 27, 2023
Jun 19, 2023 1RT Total Absent 20230619019 WILLAMINA CR RD DIST-A Jun 29, 2023
Jun 19, 2023 1RT Total Absent 20230619018 YAMHILL RIVER RD DIST-A Jun 29, 2023
May 01, 2023 1RT Total Absent 20230501024 YAMHILL RIVER RD SS DIST-A May 12, 2023
May 01, 2023 1RT Total Absent 20230501023 26690 SALMON R HWY DIST-A May 12, 2023
Apr 14, 2023 1RT Total Absent 20230414011 26690 SALMON RIVER DIST-A Apr 28, 2023
Apr 14, 2023 1RT Total Absent 20230414010 WILLIAMINA CR RD DIST-A Apr 28, 2023
Mar 14, 2023 1RT Total Absent 20230314025 26690 SALMON RIVER H DIST-A Mar 21, 2023
Mar 14, 2023 1RT Total Absent 20230314024 HEBO PS SAMPLE TAP DIST-A Mar 21, 2023
Feb 09, 2023 1RT Total Absent 20230209011 HEBO PS DIST-A Feb 21, 2023
Feb 09, 2023 1RT Total Absent 20230209010 WILLIAMINA CR RD DIST-A Feb 21, 2023
Jan 25, 2023 1RT Total Absent 20230125012 HEBO PS DIST-A Feb 06, 2023
Jan 25, 2023 1RT Total Absent 20230125011 26690 SALMON RIVER DIST-A Feb 06, 2023



See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  Batch Numbers

Sample types:  AS=Assessment, CO=Confirmation, MU=Make-up, RP=Repeat, RT=Routine, SP=Special, TG=Triggered. See the glossary for more information.

Filter options:  Show special samples  ::  Show rejected samples  ::  Include results older than 2023



More information for this water system: SDWIS ID 3310
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PFAS data are now located on the Chemical Results page.

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