| 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 | ASBESTOS, DIST | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,186 | 1 | incomplete | 01/07/2025 | |||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | Yearly | 01/01/2026 - 12/31/2026 | 264 | 5 | incomplete | 09/01/2025 | |||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Yearly | 01/01/2026 - 12/31/2026 | 264 | 1 | incomplete | 06/30/2025 | |||
| Seasonal sampling period: 06/01 thru 06/30 | |||||||||||
| EP-A EP FOR NORTH SANTIAM RIVER | ARSENIC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 995 | 1 | done | 06/11/2024 | |||
| EP-A EP FOR NORTH SANTIAM RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 995 | 1 | done | 06/11/2024 | |||
| EP-A EP FOR NORTH SANTIAM RIVER | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 264 | 1 | done | 01/06/2026 | ||||
| EP-A EP FOR NORTH SANTIAM RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 995 | 1 | done | 06/11/2024 | |||
| EP-A EP FOR NORTH SANTIAM RIVER | PFAS | notes | Quarterly | 04/01/2026 - 06/30/2026 | 80 | 1 | incomplete | ||||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-A EP FOR NORTH SANTIAM RIVER | RAD - GROSS ALPHA | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,186 | 1 | incomplete | 01/05/2021 | |||
| EP-A EP FOR NORTH SANTIAM RIVER | RAD - RADIUM 226/228 | 6 Years | 01/01/2023 - 12/31/2028 | 995 | 1 | incomplete | 06/12/2018 | ||||
| EP-A EP FOR NORTH SANTIAM RIVER | RAD - URANIUM | notes | 9 Years | 01/01/2023 - 12/31/2031 | 2,090 | 1 | incomplete | 01/05/2021 | |||
| EP-A EP FOR NORTH SANTIAM RIVER | SOC | 3 Years | 01/01/2026 - 12/31/2028 | 995 | 1 | incomplete | 06/11/2024 | ||||
| EP-A EP FOR NORTH SANTIAM RIVER | VOLATILE ORGANICS | Yearly | 01/01/2026 - 12/31/2026 | 264 | 1 | done | 01/06/2026 | ||||
| SRC-AA NORTH SANTIAM RIVER | CYANOTOXINS | 2 Weeks | -- | -- | -- | -- | -- | 10/20/2025 | |||
| Seasonal sampling period: 05/01 thru 10/31 | |||||||||||
6 secs | |||||||||||