| 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 | TOC & ALKALINITY | Quarterly | 04/01/2026 - 06/30/2026 | 71 | 1 | incomplete | 01/06/2026 | ||||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2026 - 12/31/2026 | 5 | incomplete | 07/11/2023 | ||||
| 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 | 09/02/2025 | |||
| Seasonal sampling period: 09/01 thru 09/30 | |||||||||||
| EP-A EP FOR UMPQUA RIVER | ARSENIC | 9 Years | 01/01/2020 - 12/31/2028 | 986 | 1 | incomplete | 09/15/2016 | ||||
| EP-A EP FOR UMPQUA RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 986 | 1 | incomplete | 09/15/2016 | |||
| EP-A EP FOR UMPQUA RIVER | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 255 | 1 | incomplete | 09/02/2025 | ||||
| EP-A EP FOR UMPQUA RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 986 | 1 | incomplete | 09/15/2016 | |||
| EP-A EP FOR UMPQUA RIVER | PFAS | notes | Quarterly | 04/01/2026 - 06/30/2026 | 71 | 1 | incomplete | 12/17/2025 | |||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-A EP FOR UMPQUA RIVER | RAD - GROSS ALPHA | 9 Years | 01/01/2026 - 12/31/2034 | 3,177 | 1 | incomplete | 09/02/2025 | ||||
| EP-A EP FOR UMPQUA RIVER | RAD - RADIUM 226/228 | 9 Years | 01/01/2026 - 12/31/2034 | 3,177 | 1 | incomplete | 09/02/2025 | ||||
| EP-A EP FOR UMPQUA RIVER | RAD - URANIUM | 9 Years | 01/01/2023 - 12/31/2031 | 2,081 | 1 | incomplete | 09/04/2018 | ||||
| EP-A EP FOR UMPQUA RIVER | SOC | 3 Years | 01/01/2026 - 12/31/2028 | 986 | 1 | incomplete | 09/02/2025 | ||||
| EP-A EP FOR UMPQUA RIVER | VOLATILE ORGANICS | Yearly | 01/01/2026 - 12/31/2026 | 255 | 1 | incomplete | 09/02/2025 | ||||
| WTP-A TP FOR UMPQUA RIVER | TOTAL ORGANIC CARBON | Quarterly | 04/01/2026 - 06/30/2026 | 71 | 1 | incomplete | 01/06/2026 | ||||
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