| 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 | 80 | 1 | incomplete | 01/14/2026 | ||||
| DIST-A Distribution System | ASBESTOS, DIST | 9 Years | 01/01/2026 - 12/31/2034 | 3,186 | 1 | incomplete | 10/10/2019 | ||||
| DIST-A Distribution System | LEAD & COPPER | notes | 3 Years | 01/01/2028 - 12/31/2028 | 10 | 09/04/2025 | |||||
| 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 | 10/15/2025 | |||
| Seasonal sampling period: 10/01 thru 10/31 | |||||||||||
| EP-A EP FOR WILLAMINA CREEK | ARSENIC | 9 Years | 01/01/2020 - 12/31/2028 | 995 | 1 | done | 01/28/2020 | ||||
| EP-A EP FOR WILLAMINA CREEK | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 995 | 1 | done | 01/28/2020 | |||
| EP-A EP FOR WILLAMINA CREEK | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 264 | 1 | done | 01/14/2026 | ||||
| EP-A EP FOR WILLAMINA CREEK | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 995 | 1 | done | 01/28/2020 | |||
| EP-A EP FOR WILLAMINA CREEK | PFAS | notes | Quarterly | 04/01/2026 - 06/30/2026 | 80 | 1 | incomplete | ||||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-A EP FOR WILLAMINA CREEK | RAD - GROSS ALPHA | notes | 9 Years | 01/01/2023 - 12/31/2031 | 2,090 | 1 | incomplete | 01/28/2020 | |||
| EP-A EP FOR WILLAMINA CREEK | RAD - RADIUM 226/228 | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,186 | 1 | incomplete | 01/28/2014 | |||
| EP-A EP FOR WILLAMINA CREEK | RAD - URANIUM | notes | 9 Years | 01/01/2023 - 12/31/2031 | 2,090 | 1 | incomplete | 01/28/2020 | |||
| EP-A EP FOR WILLAMINA CREEK | SOC | 3 Years | 01/01/2026 - 12/31/2028 | 995 | 1 | incomplete | 02/13/2023 | ||||
| EP-A EP FOR WILLAMINA CREEK | VOLATILE ORGANICS | Yearly | 01/01/2026 - 12/31/2026 | 264 | 1 | incomplete | 03/05/2025 | ||||
| WTP-A TP FOR WILLAMINA CREEK | TOTAL ORGANIC CARBON | Quarterly | 04/01/2026 - 06/30/2026 | 80 | 1 | incomplete | 01/14/2026 | ||||
5 secs | |||||||||||