| System Information | Schedule Counts |
Status: Active System Type: Non-transient Non-community Population Served: 30 | Active: 10 Show Only Active Inactive: 0 Expired: 7 |
| 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 | 5 | 3 Years | 01/01/2002 | Open | Sample Between June 1st and Sept 30th |
| DIST-A | DISTRIBUTION SYSTEM | A | STAGE 2 DBP | 1 | Quarterly | 07/01/2020 | Open | |
| EP-A | EP FOR COLUMBIA RIVER | A | ARSENIC | 1 | 9 Years | 01/01/2011 | Open | Schedule Reflects Monitoring Reduction Granted. |
| EP-A | EP FOR COLUMBIA RIVER | A | IOC | 1 | 9 Years | 01/01/2002 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-A | EP FOR COLUMBIA RIVER | A | NITRATE | 1 | Yearly | 01/01/2002 | Open | |
| EP-A | EP FOR COLUMBIA RIVER | A | NITRITE | 1 | 9 Years | 01/01/2002 | Open | Schedule Reflects Monitoring Reduction Granted |
| EP-A | EP FOR COLUMBIA RIVER | A | PFAS | 1 | Quarterly | 01/01/2023 | Open | Initial monitoring - 4 quarters only |
| EP-A | EP FOR COLUMBIA RIVER | A | SOC | 1 | 3 Years | 01/01/2002 | Open | |
| EP-A | EP FOR COLUMBIA RIVER | A | VOLATILE ORGANICS | 1 | Yearly | 01/01/2026 | Open | Ethylbenzene and total xylenes assigned annual monitoring due to being reliably and consistently below the MCL. |
| SRC-AA | COLUMBIA RIVER | A | CYANOTOXINS | 1 | 2 Weeks | 09/17/2023 | Open | |
| Expired Schedules | ||||||||
| DIST-A | DISTRIBUTION SYSTEM | A | HAA5 & TTHM | 1 | Yearly | 01/01/2004 | 12/31/2014 | Sample between June 1 and Sept. 30. |
| DIST-A | DISTRIBUTION SYSTEM | A | STAGE 2 DBP | 1 | Yearly | 01/01/2015 | 12/31/2019 | Sample in July beginning in 2015 |
| EP-A | EP FOR COLUMBIA RIVER | A | ARSENIC | 1 | Yearly | 01/01/2002 | 12/31/2010 | |
| EP-A | EP FOR COLUMBIA RIVER | A | ETHYLBENZENE | 1 | Quarterly | 10/01/2019 | 12/31/2025 | |
| EP-A | EP FOR COLUMBIA RIVER | A | VOLATILE ORGANICS | 1 | Yearly | 01/01/2002 | 12/31/2025 | |
| EP-A | EP FOR COLUMBIA RIVER | A | XYLENES, TOTAL | 1 | Quarterly | 10/01/2019 | 12/31/2025 | |
| SRC-AA | COLUMBIA RIVER | A | CYANOTOXINS | 1 | WK | 07/30/2023 | 09/15/2023 | |