| Chemical Sampling Schedule Status | |||||||||||
| Facility ID |
Analyte or Group | Sampling Interval |
Monitoring Period | Days Until End |
Samples Required |
Samples Received |
Last Sample Date |
||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Start | End | ||||||||||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2027 - 12/31/2027 | 5 | 09/18/2024 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | Quarterly | 10/01/2025 - 12/31/2025 | 27 | 1 | incomplete | 06/18/2025 | ||||
| EP-A EP FOR COLUMBIA RIVER | XYLENES, TOTAL | Quarterly | 10/01/2025 - 12/31/2025 | 27 | 1 | incomplete | 06/18/2025 | ||||
| EP-A EP FOR COLUMBIA RIVER | ETHYLBENZENE | Quarterly | 10/01/2025 - 12/31/2025 | 27 | 1 | incomplete | 06/18/2025 | ||||
| EP-A EP FOR COLUMBIA RIVER | ARSENIC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,123 | 1 | incomplete | 10/09/2019 | |||
| EP-A EP FOR COLUMBIA RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,123 | 1 | incomplete | 10/09/2019 | |||
| EP-A EP FOR COLUMBIA RIVER | NITRATE | Yearly | 01/01/2025 - 12/31/2025 | 27 | 1 | done | 02/26/2025 | ||||
| EP-A EP FOR COLUMBIA RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,123 | 1 | incomplete | 10/09/2019 | |||
| EP-A EP FOR COLUMBIA RIVER | SOC | 3 Years | 01/01/2023 - 12/31/2025 | 27 | 1 | incomplete | 12/13/2022 | ||||
| EP-A EP FOR COLUMBIA RIVER | VOLATILE ORGANICS | Yearly | 01/01/2025 - 12/31/2025 | 27 | 1 | done | 06/18/2025 | ||||
| SRC-AA COLUMBIA RIVER | CYANOTOXINS | 2 Weeks | -- | -- | -- | -- | -- | 10/27/2025 | |||
| Seasonal sampling period: 05/01 thru 10/31 | |||||||||||
8 secs | |||||||||||