| 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 | notes | Quarterly | 04/01/2026 - 06/30/2026 | 69 | 1 | incomplete | 01/07/2026 | |||
| DIST-A DISTRIBUTION SYSTEM | ASBESTOS, DIST | notes | 9 Years | 01/01/2020 - 12/31/2028 | 984 | 1 | done | 06/14/2021 | |||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2028 - 12/31/2028 | 20 | 06/10/2025 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Yearly | 01/01/2026 - 12/31/2026 | 253 | 2 | incomplete | 08/27/2024 | |||
| Seasonal sampling period: 08/01 thru 08/31 | |||||||||||
| EP-A EP FOR SOUTH YAMHILL RIVER | ARSENIC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 984 | 1 | done | 10/28/2025 | |||
| EP-A EP FOR SOUTH YAMHILL RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 984 | 1 | done | 10/28/2025 | |||
| EP-A EP FOR SOUTH YAMHILL RIVER | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 253 | 1 | done | 02/04/2026 | ||||
| EP-A EP FOR SOUTH YAMHILL RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 984 | 1 | done | 10/28/2025 | |||
| EP-A EP FOR SOUTH YAMHILL RIVER | PFAS | notes | Quarterly | 04/01/2026 - 06/30/2026 | 69 | 1 | incomplete | 12/02/2024 | |||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-A EP FOR SOUTH YAMHILL RIVER | RAD - GROSS ALPHA | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,175 | 1 | incomplete | 10/22/2025 | |||
| EP-A EP FOR SOUTH YAMHILL RIVER | RAD - RADIUM 226/228 | 9 Years | 01/01/2023 - 12/31/2031 | 2,079 | 1 | incomplete | 03/01/2022 | ||||
| EP-A EP FOR SOUTH YAMHILL RIVER | RAD - URANIUM | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,175 | 1 | incomplete | 10/22/2025 | |||
| EP-A EP FOR SOUTH YAMHILL RIVER | SOC | notes | 3 Years | 01/01/2026 - 12/31/2028 | 984 | 2 | incomplete | 10/08/2025 | |||
| EP-A EP FOR SOUTH YAMHILL RIVER | VOLATILE ORGANICS | Yearly | 01/01/2026 - 12/31/2026 | 253 | 1 | done | 02/04/2026 | ||||
| EP-B EP FOR SPRINGS | ARSENIC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 984 | 1 | done | 06/01/2021 | |||
| EP-B EP FOR SPRINGS | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 984 | 1 | done | 06/01/2021 | |||
| EP-B EP FOR SPRINGS | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 253 | 1 | done | 02/04/2026 | ||||
| EP-B EP FOR SPRINGS | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 984 | 1 | done | 06/01/2021 | |||
| EP-B EP FOR SPRINGS | PFAS | notes | 6 Months | 01/01/2026 - 06/30/2026 | 69 | 1 | incomplete | 08/27/2024 | |||
| Initial monitoring - 2 samples only | |||||||||||
| EP-B EP FOR SPRINGS | RAD - GROSS ALPHA | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,175 | 1 | incomplete | 10/22/2025 | |||
| EP-B EP FOR SPRINGS | RAD - RADIUM 226/228 | 6 Years | 01/01/2026 - 12/31/2031 | 2,079 | 1 | incomplete | 10/22/2025 | ||||
| EP-B EP FOR SPRINGS | RAD - URANIUM | notes | 9 Years | 01/01/2026 - 12/31/2034 | 3,175 | 1 | incomplete | 10/22/2025 | |||
| EP-B EP FOR SPRINGS | SOC | notes | 3 Years | 01/01/2026 - 12/31/2028 | 984 | 2 | incomplete | 10/08/2025 | |||
| EP-B EP FOR SPRINGS | VOLATILE ORGANICS | 3 Years | 01/01/2026 - 12/31/2028 | 984 | 1 | incomplete | 09/06/2023 | ||||
| WTP-A TP FOR SOUTH YAMHILL RIVER | TOTAL ORGANIC CARBON | notes | Quarterly | 04/01/2026 - 06/30/2026 | 69 | 1 | incomplete | 01/07/2026 | |||
5 secs | |||||||||||