| 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 CH FOR GEREN ISLAND | TOTAL ORGANIC CARBON | notes | Quarterly | 01/01/2026 - 03/31/2026 | 16 | 1 | incomplete | 07/22/2025 | |||
| DIST-A DISTRIBUTION SYSTEM | ASBESTOS, DIST | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,022 | 1 | done | 02/03/2020 | |||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2028 - 12/31/2028 | 50 | 09/21/2025 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Quarterly | 01/01/2026 - 03/31/2026 | 16 | 8 | incomplete | 10/30/2025 | |||
| EP-A EP FOR GEREN ISLAND (ALDERSGATE) | BROMATE | Quarterly | 01/01/2026 - 03/31/2026 | 16 | 1 | incomplete | 10/06/2025 | ||||
| EP-A EP FOR GEREN ISLAND (ALDERSGATE) | ARSENIC | Yearly | 01/01/2026 - 12/31/2026 | 291 | 1 | incomplete | 02/26/2025 | ||||
| EP-A EP FOR GEREN ISLAND (ALDERSGATE) | IOC | Yearly | 01/01/2026 - 12/31/2026 | 291 | 1 | incomplete | 02/26/2025 | ||||
| EP-A EP FOR GEREN ISLAND (ALDERSGATE) | NITRATE | Quarterly | 01/01/2026 - 03/31/2026 | 16 | 1 | incomplete | 10/13/2025 | ||||
| EP-A EP FOR GEREN ISLAND (ALDERSGATE) | NITRITE | Yearly | 01/01/2026 - 12/31/2026 | 291 | 1 | incomplete | 10/13/2025 | ||||
| EP-A EP FOR GEREN ISLAND (ALDERSGATE) | PFAS | notes | Quarterly | 01/01/2026 - 03/31/2026 | 16 | 1 | incomplete | ||||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-A EP FOR GEREN ISLAND (ALDERSGATE) | RAD - GROSS ALPHA | 9 Years | 01/01/2026 - 12/31/2034 | 3,213 | 1 | incomplete | 07/09/2025 | ||||
| EP-A EP FOR GEREN ISLAND (ALDERSGATE) | RAD - RADIUM 226/228 | 9 Years | 01/01/2026 - 12/31/2034 | 3,213 | 1 | incomplete | 10/13/2025 | ||||
| EP-A EP FOR GEREN ISLAND (ALDERSGATE) | RAD - URANIUM | 9 Years | 01/01/2026 - 12/31/2034 | 3,213 | 1 | incomplete | 10/13/2025 | ||||
| EP-A EP FOR GEREN ISLAND (ALDERSGATE) | SOC | Quarterly | 01/01/2026 - 03/31/2026 | 16 | 1 | incomplete | 10/13/2025 | ||||
| EP-A EP FOR GEREN ISLAND (ALDERSGATE) | VOLATILE ORGANICS | Quarterly | 01/01/2026 - 03/31/2026 | 16 | 1 | incomplete | 10/13/2025 | ||||
| EP-B EP FOR ASR WELLS | ARSENIC | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,213 | 1 | incomplete | 04/27/2023 | |||
| EP-B EP FOR ASR WELLS | IOC | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,213 | 1 | incomplete | 04/27/2023 | |||
| EP-B EP FOR ASR WELLS | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 291 | 1 | incomplete | 06/17/2025 | ||||
| EP-B EP FOR ASR WELLS | NITRITE | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,213 | 1 | incomplete | 06/17/2025 | |||
| EP-B EP FOR ASR WELLS | PFAS | notes | Quarterly | 01/01/2026 - 03/31/2026 | 16 | 1 | incomplete | ||||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-B EP FOR ASR WELLS | RAD - GROSS ALPHA | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,022 | 1 | done | 06/17/2025 | |||
| EP-B EP FOR ASR WELLS | RAD - RADIUM 226/228 | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,022 | 1 | done | 06/17/2025 | |||
| EP-B EP FOR ASR WELLS | RAD - URANIUM | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,022 | 1 | done | 04/27/2023 | |||
| EP-B EP FOR ASR WELLS | SOC | notes | 3 Years | 01/01/2026 - 12/31/2028 | 1,022 | 2 | incomplete | 06/17/2025 | |||
| EP-B EP FOR ASR WELLS | VOLATILE ORGANICS | 3 Years | 01/01/2026 - 12/31/2028 | 1,022 | 1 | incomplete | 06/17/2025 | ||||
| SRC-AA NORTH SANTIAM RIVER | CYANOTOXINS | 2 Weeks | -- | -- | -- | -- | -- | 10/28/2025 | |||
| Seasonal sampling period: 05/01 thru 10/31 | |||||||||||
7 secs | |||||||||||