| System Information | Schedule Counts |
Status: Active System Type: Community Population Served: 16,996 | Active: 42 Show Only Active Inactive: 13 Expired: 24 Show Expired Show All |
| Routine Sampling Schedules For Chemicals | ||||||||
| Facility ID |
Name | Status | Test Group | Samples Required |
Sampling Interval |
Start | End | Notes |
| DIST-A | DISTRIBUTION SYSTEM | A | LEAD & COPPER | 30 | 3 Years | 01/01/2002 | Open | Sample Between June 1st and Sept 30th |
| DIST-A | DISTRIBUTION SYSTEM | A | STAGE 2 DBP | 2 | Quarterly | 04/01/2022 | Open | Collect a dual sample set at both the Airport and Cemetery boosters every calendar quarter. |
| EP-B | EP FOR WELL #1 (BYERS) | A | NITRATE | 1 | Yearly | 01/01/2009 | Open | Wellfield designation, sample EP-C, D |
| EP-B | EP FOR WELL #1 (BYERS) | A | PFAS | 1 | Quarterly | 01/01/2023 | Open | Initial monitoring - 4 quarters only |
| EP-C | EP FOR WELL #2 (ROUNDUP) | A | ARSENIC | 1 | 9 Years | 01/01/2014 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-C | EP FOR WELL #2 (ROUNDUP) | A | IOC | 1 | 9 Years | 01/01/2002 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-C | EP FOR WELL #2 (ROUNDUP) | A | NITRATE | 1 | Yearly | 01/01/2002 | Open | |
| EP-C | EP FOR WELL #2 (ROUNDUP) | A | NITRITE | 1 | 9 Years | 01/01/2002 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-C | EP FOR WELL #2 (ROUNDUP) | A | PFAS | 1 | Quarterly | 01/01/2023 | Open | Initial monitoring - 4 quarters only |
| EP-C | EP FOR WELL #2 (ROUNDUP) | A | RAD - GROSS ALPHA | 1 | 9 Years | 01/01/2014 | Open | schedule based on 7/15/09 results |
| EP-C | EP FOR WELL #2 (ROUNDUP) | A | RAD - RADIUM 226/228 | 1 | 9 Years | 01/01/2008 | Open | |
| EP-C | EP FOR WELL #2 (ROUNDUP) | A | RAD - URANIUM | 1 | 6 Years | 01/01/2008 | Open | |
| EP-C | EP FOR WELL #2 (ROUNDUP) | A | SOC | 2 | 3 Years | 01/01/2002 | Open | 2 Consec. QT Samples |
| EP-C | EP FOR WELL #2 (ROUNDUP) | A | VOLATILE ORGANICS | 1 | 3 Years | 01/01/2002 | Open | Wellfield designation, sample EP-C, D |
| EP-D | EP FOR WELL #3 (SW 21 ST) | A | ARSENIC | 1 | 9 Years | 01/01/2017 | Open | |
| EP-D | EP FOR WELL #3 (SW 21 ST) | A | IOC | 1 | 9 Years | 01/01/2002 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-D | EP FOR WELL #3 (SW 21 ST) | A | NITRATE | 1 | Yearly | 01/01/2022 | Open | |
| EP-D | EP FOR WELL #3 (SW 21 ST) | A | NITRITE | 1 | 9 Years | 01/01/2002 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-D | EP FOR WELL #3 (SW 21 ST) | A | PFAS | 1 | Quarterly | 01/01/2023 | Open | Initial monitoring - 4 quarters only |
| EP-D | EP FOR WELL #3 (SW 21 ST) | A | RAD - GROSS ALPHA | 1 | 9 Years | 01/01/2017 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-D | EP FOR WELL #3 (SW 21 ST) | A | RAD - RADIUM 226/228 | 1 | 9 Years | 01/01/2008 | Open | |
| EP-D | EP FOR WELL #3 (SW 21 ST) | A | RAD - URANIUM | 1 | 6 Years | 01/01/2008 | Open | |
| EP-D | EP FOR WELL #3 (SW 21 ST) | A | SOC | 2 | 3 Years | 01/01/2002 | Open | 2 Consec. QT Samples |
| EP-D | EP FOR WELL #3 (SW 21 ST) | A | VOLATILE ORGANICS | 1 | 3 Years | 01/01/2002 | Open | Wellfield designation, sample EP-C, D |
| EP-E | EP FOR WELL #4 (HOSPITAL) | A | NITRATE | 1 | Yearly | 01/01/2002 | Open | Wellfield designation, sample EP-C, D |
| EP-E | EP FOR WELL #4 (HOSPITAL) | A | PFAS | 1 | Quarterly | 01/01/2023 | Open | Initial monitoring - 4 quarters only |
| EP-F | EP FOR WELL #5 (STILLMAN) | A | NITRATE | 1 | Yearly | 01/01/2014 | Open | Wellfield designation, sample EP-C, D |
| EP-F | EP FOR WELL #5 (STILLMAN) | A | PFAS | 1 | Quarterly | 01/01/2023 | Open | Initial monitoring - 4 quarters only |
| EP-G | EP FOR WELL #8 (PRISON) | A | NITRATE | 1 | Yearly | 01/01/2002 | Open | Wellfield designation, sample EP-C, D |
| EP-G | EP FOR WELL #8 (PRISON) | A | PFAS | 1 | Quarterly | 01/01/2023 | Open | Initial monitoring - 4 quarters only |
| EP-H | EP FOR WELL #14 | A | NITRATE | 1 | Yearly | 01/01/2009 | Open | Wellfield designation, sample EP-C, D. Nitrate to be collected at end of recovery period. BG |
| EP-H | EP FOR WELL #14 | A | PFAS | 1 | Quarterly | 01/01/2023 | Open | Initial monitoring - 4 quarters only |
| EP-I | EP FOR WELL 11B | A | ARSENIC | 1 | 3 Years | 01/01/2026 | Open | |
| EP-I | EP FOR WELL 11B | A | IOC | 1 | 3 Years | 01/01/2026 | Open | |
| EP-I | EP FOR WELL 11B | A | NITRATE | 1 | Yearly | 01/01/2026 | Open | |
| EP-I | EP FOR WELL 11B | A | NITRITE | 1 | 3 Years | 01/01/2026 | Open | |
| EP-I | EP FOR WELL 11B | A | PFAS | 1 | Quarterly | 01/01/2023 | Open | Initial monitoring - 4 quarters only |
| EP-I | EP FOR WELL 11B | A | RAD - GROSS ALPHA | 1 | 9 Years | 01/01/2026 | Open | |
| EP-I | EP FOR WELL 11B | A | RAD - RADIUM 226/228 | 1 | 6 Years | 01/01/2026 | Open | |
| EP-I | EP FOR WELL 11B | A | RAD - URANIUM | 1 | 9 Years | 01/01/2026 | Open | |
| EP-I | EP FOR WELL 11B | A | SOC | 2 | 3 Years | 01/01/2026 | Open | Collect one sample each in two consecutive calendar quarters every third year. |
| EP-I | EP FOR WELL 11B | A | VOLATILE ORGANICS | 1 | 3 Years | 01/01/2026 | Open | |
| Inactive Facility Schedules | ||||||||
| EP-A | EP FOR WELL #7 AND WTP | I | ARSENIC | 1 | 9 Years | 01/01/2008 | 03/12/2026 | schedule reflects monitoring reduction granted - BG |
| EP-A | EP FOR WELL #7 AND WTP | I | ARSENIC | 1 | Yearly | 01/01/2002 | 12/31/2007 | Arsenic monitoring reduced to once every nine years for EP-A effective 01/01/08 - BG |
| EP-A | EP FOR WELL #7 AND WTP | I | IOC | 1 | 9 Years | 01/01/2002 | 03/12/2026 | Schedule Reflects Monitoring Reduction Granted |
| EP-A | EP FOR WELL #7 AND WTP | I | NITRATE | 1 | Yearly | 01/01/2002 | 03/12/2026 | |
| EP-A | EP FOR WELL #7 AND WTP | I | NITRITE | 1 | 9 Years | 01/01/2002 | 03/12/2026 | Schedule Reflects Monitoring Reduction Granted |
| EP-A | EP FOR WELL #7 AND WTP | I | PFAS | 1 | Quarterly | 01/01/2023 | 03/12/2026 | Initial monitoring - 4 quarters only |
| EP-A | EP FOR WELL #7 AND WTP | I | RAD - GROSS ALPHA | 1 | 9 Years | 01/01/2008 | 03/12/2026 | |
| EP-A | EP FOR WELL #7 AND WTP | I | RAD - RADIUM 226/228 | 1 | 6 Years | 01/01/2008 | 12/31/2013 | |
| EP-A | EP FOR WELL #7 AND WTP | I | RAD - RADIUM 226/228 | 1 | 9 Years | 01/01/2014 | 03/12/2026 | schedule based on 7/15/09 results |
| EP-A | EP FOR WELL #7 AND WTP | I | RAD - URANIUM | 1 | 9 Years | 01/01/2008 | 03/12/2026 | |
| EP-A | EP FOR WELL #7 AND WTP | I | SOC | 2 | 3 Years | 01/01/2002 | 03/12/2026 | 2 Consec. QT Samples |
| EP-A | EP FOR WELL #7 AND WTP | I | VOLATILE ORGANICS | 1 | Yearly | 01/01/2002 | 03/12/2026 | |
| SRC-AM | UMATILLA RIVER | I | CYANOTOXINS | 1 | 2 Weeks | 07/15/2018 | 03/12/2026 | |