| 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 | 04/01/2026 - 04/30/2026 | 25 | 1 | incomplete | ||||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2028 - 12/31/2028 | 30 | 06/27/2025 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Quarterly | 04/01/2026 - 06/30/2026 | 86 | 4 | incomplete | 01/14/2026 | |||
| EP-A EP FOR WTP | ARSENIC | notes | 9 Years | 01/01/2023 - 12/31/2031 | 2,096 | 1 | done | 02/25/2025 | |||
| EP-A EP FOR WTP | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,001 | 1 | done | 02/25/2025 | |||
| EP-A EP FOR WTP | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 270 | 1 | incomplete | 02/25/2025 | ||||
| EP-A EP FOR WTP | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,001 | 1 | done | 02/25/2025 | |||
| EP-A EP FOR WTP | PFAS | notes | Quarterly | 04/01/2026 - 06/30/2026 | 86 | 1 | incomplete | ||||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-A EP FOR WTP | RAD - GROSS ALPHA | 9 Years | 01/01/2020 - 12/31/2028 | 1,001 | 1 | incomplete | 10/24/2017 | ||||
| EP-A EP FOR WTP | RAD - RADIUM 226/228 | 9 Years | 01/01/2026 - 12/31/2034 | 3,192 | 1 | incomplete | 10/24/2017 | ||||
| EP-A EP FOR WTP | RAD - URANIUM | 9 Years | 01/01/2026 - 12/31/2034 | 3,192 | 1 | incomplete | 10/24/2017 | ||||
| EP-A EP FOR WTP | SOC | notes | 3 Years | 01/01/2026 - 12/31/2028 | 1,001 | 2 | incomplete | 02/25/2025 | |||
| EP-A EP FOR WTP | VOLATILE ORGANICS | Yearly | 01/01/2026 - 12/31/2026 | 270 | 1 | incomplete | 02/25/2025 | ||||
| SRC-AA CLACKAMAS RIVER | CYANOTOXINS | 2 Weeks | -- | -- | -- | -- | -- | 10/20/2025 | |||
| Seasonal sampling period: 05/01 thru 10/31 | |||||||||||
5 secs | |||||||||||