| 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 | CYANOTOXINS | 2 Weeks | 04/19/2026 - 05/02/2026 | 9 | 1 | incomplete | 08/15/2022 | ||||
| Seasonal sampling period: 05/01 thru 10/31 | |||||||||||
| DIST-A Distribution System | ASBESTOS, DIST | notes | 9 Years | 01/01/2020 - 12/31/2028 | 983 | 1 | done | 01/19/2022 | |||
| DIST-A Distribution System | HAA5 & TTHM | notes | Quarterly | 04/01/2026 - 06/30/2026 | 68 | 4 | incomplete | ||||
| DIST-A Distribution System | LEAD & COPPER | notes | 3 Years | 01/01/2028 - 12/31/2028 | 30 | 08/26/2025 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| EP-A EP FOR BIG CREEK/SILETZ RIVER | ARSENIC | 9 Years | 01/01/2020 - 12/31/2028 | 983 | 1 | done | 06/15/2022 | ||||
| EP-A EP FOR BIG CREEK/SILETZ RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 983 | 1 | done | 06/15/2022 | |||
| EP-A EP FOR BIG CREEK/SILETZ RIVER | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 252 | 1 | incomplete | 09/10/2025 | ||||
| EP-A EP FOR BIG CREEK/SILETZ RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 983 | 1 | done | 06/15/2022 | |||
| EP-A EP FOR BIG CREEK/SILETZ RIVER | PFAS | notes | Quarterly | 04/01/2026 - 06/30/2026 | 68 | 1 | incomplete | ||||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-A EP FOR BIG CREEK/SILETZ RIVER | RAD - GROSS ALPHA | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,174 | 1 | incomplete | 01/19/2022 | |||
| EP-A EP FOR BIG CREEK/SILETZ RIVER | RAD - RADIUM 226/228 | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,174 | 1 | incomplete | 01/19/2022 | |||
| EP-A EP FOR BIG CREEK/SILETZ RIVER | RAD - URANIUM | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,174 | 1 | incomplete | 01/19/2022 | |||
| EP-A EP FOR BIG CREEK/SILETZ RIVER | SOC | notes | 3 Years | 01/01/2026 - 12/31/2028 | 983 | 2 | incomplete | 11/15/2023 | |||
| EP-A EP FOR BIG CREEK/SILETZ RIVER | VOLATILE ORGANICS | Yearly | 01/01/2026 - 12/31/2026 | 252 | 1 | incomplete | 09/10/2025 | ||||
5 secs | |||||||||||