| 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 | ||||||||||
| CH-A COMMON HEADER FOR WTP-A | TOTAL ORGANIC CARBON | notes | Quarterly | 04/01/2026 - 06/30/2026 | 71 | 1 | incomplete | 11/03/2025 | |||
| DIST-A Distribution System | ASBESTOS, DIST | notes | 9 Years | 01/01/2020 - 12/31/2028 | 986 | 1 | done | 02/23/2022 | |||
| DIST-A Distribution System | LEAD & COPPER | notes | 3 Years | 01/01/2027 - 12/31/2027 | 20 | 06/18/2024 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A Distribution System | STAGE 2 DBP | notes | Yearly | 01/01/2026 - 12/31/2026 | 255 | 1 | incomplete | 11/03/2025 | |||
| Seasonal sampling period: 02/01 thru 02/28 | |||||||||||
| DIST-A Distribution System | STAGE 2 DBP | notes | Yearly | 01/01/2026 - 12/31/2026 | 255 | 1 | incomplete | 11/03/2025 | |||
| Seasonal sampling period: 11/01 thru 11/30 | |||||||||||
| EP-A EP FOR NORTH SANTIAM RIVER | ARSENIC | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,177 | 1 | incomplete | 02/15/2023 | |||
| EP-A EP FOR NORTH SANTIAM RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 986 | 1 | done | 02/15/2023 | |||
| EP-A EP FOR NORTH SANTIAM RIVER | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 255 | 1 | done | 02/11/2026 | ||||
| EP-A EP FOR NORTH SANTIAM RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 986 | 1 | done | 02/15/2023 | |||
| EP-A EP FOR NORTH SANTIAM RIVER | PFAS | notes | Quarterly | 04/01/2026 - 06/30/2026 | 71 | 1 | incomplete | ||||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-A EP FOR NORTH SANTIAM RIVER | RAD - GROSS ALPHA | 9 Years | 01/01/2020 - 12/31/2028 | 986 | 1 | incomplete | 02/27/2018 | ||||
| EP-A EP FOR NORTH SANTIAM RIVER | RAD - RADIUM 226/228 | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,177 | 1 | incomplete | 03/08/2021 | |||
| EP-A EP FOR NORTH SANTIAM RIVER | RAD - URANIUM | 9 Years | 01/01/2023 - 12/31/2031 | 2,081 | 1 | incomplete | 02/27/2018 | ||||
| EP-A EP FOR NORTH SANTIAM RIVER | SOC | notes | 3 Years | 01/01/2026 - 12/31/2028 | 986 | 2 | incomplete | 08/01/2023 | |||
| EP-A EP FOR NORTH SANTIAM RIVER | VOLATILE ORGANICS | Yearly | 01/01/2026 - 12/31/2026 | 255 | 1 | incomplete | 01/21/2025 | ||||
| SRC-AA NORTH SANTIAM RIVER | CYANOTOXINS | 2 Weeks | 04/19/2026 - 05/02/2026 | 12 | 1 | incomplete | 10/27/2025 | ||||
| Seasonal sampling period: 05/01 thru 10/31 | |||||||||||
24 secs | |||||||||||