| 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 | TOTAL ORGANIC CARBON | notes | Monthly | 03/01/2026 - 03/31/2026 | 24 | 1 | incomplete | 11/07/2025 | |||
| DIST-A Distribution System | LEAD & COPPER | notes | 3 Years | 01/01/2027 - 12/31/2027 | 10 | 09/25/2024 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A Distribution System | STAGE 2 DBP | notes | Quarterly | 01/01/2026 - 03/31/2026 | 24 | 1 | incomplete | 10/07/2025 | |||
| EP-A EP for WILLAMETTE RIVER | ARSENIC | notes | 9 Years | 01/01/2023 - 12/31/2031 | 2,125 | 1 | incomplete | 08/30/2022 | |||
| EP-A EP for WILLAMETTE RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,030 | 1 | done | 08/30/2022 | |||
| EP-A EP for WILLAMETTE RIVER | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 299 | 1 | incomplete | 11/11/2025 | ||||
| EP-A EP for WILLAMETTE RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,030 | 1 | done | 08/30/2022 | |||
| EP-A EP for WILLAMETTE RIVER | PFAS | notes | Quarterly | 01/01/2026 - 03/31/2026 | 24 | 1 | incomplete | 12/02/2025 | |||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-A EP for WILLAMETTE RIVER | SOC | 3 Years | 01/01/2026 - 12/31/2028 | 1,030 | 1 | incomplete | 10/22/2024 | ||||
| EP-A EP for WILLAMETTE RIVER | VOLATILE ORGANICS | Yearly | 01/01/2026 - 12/31/2026 | 299 | 1 | incomplete | 11/11/2025 | ||||
5 secs | |||||||||||