| 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 | Quarterly | 04/01/2026 - 06/30/2026 | 54 | 1 | incomplete | 03/02/2026 | |||
| CH-A COMMON HEADER FOR WTP-A | CYANOTOXINS | 2 Weeks | 05/03/2026 - 05/16/2026 | 9 | 1 | incomplete | |||||
| Seasonal sampling period: 05/01 thru 10/31 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | ASBESTOS, DIST | notes | 9 Years | 01/01/2020 - 12/31/2028 | 969 | 1 | incomplete | 10/02/2019 | |||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2027 - 12/31/2027 | 30 | 07/08/2024 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Quarterly | 04/01/2026 - 06/30/2026 | 54 | 2 | incomplete | 03/03/2026 | |||
| EP-A EP FOR MOLALLA RIVER | ARSENIC | notes | 9 Years | 01/01/2023 - 12/31/2031 | 2,064 | 1 | done | 01/16/2025 | |||
| EP-A EP FOR MOLALLA RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 969 | 1 | done | 01/16/2025 | |||
| EP-A EP FOR MOLALLA RIVER | NITRATE | Yearly | 01/01/2026 - 12/31/2026 | 238 | 1 | incomplete | 01/16/2025 | ||||
| EP-A EP FOR MOLALLA RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 969 | 1 | done | 01/16/2025 | |||
| EP-A EP FOR MOLALLA RIVER | PFAS | notes | Quarterly | 04/01/2026 - 06/30/2026 | 54 | 1 | incomplete | ||||
| Initial monitoring - 4 quarters only | |||||||||||
| EP-A EP FOR MOLALLA RIVER | RAD - GROSS ALPHA | 9 Years | 01/01/2023 - 12/31/2031 | 2,064 | 1 | incomplete | 01/03/2022 | ||||
| EP-A EP FOR MOLALLA RIVER | RAD - RADIUM 226/228 | 9 Years | 01/01/2023 - 12/31/2031 | 2,064 | 1 | incomplete | 01/03/2022 | ||||
| EP-A EP FOR MOLALLA RIVER | RAD - URANIUM | 9 Years | 01/01/2023 - 12/31/2031 | 2,064 | 1 | incomplete | 01/03/2022 | ||||
| EP-A EP FOR MOLALLA RIVER | SOC | notes | 3 Years | 01/01/2026 - 12/31/2028 | 969 | 2 | incomplete | 01/16/2025 | |||
| EP-A EP FOR MOLALLA RIVER | VOLATILE ORGANICS | Yearly | 01/01/2026 - 12/31/2026 | 238 | 1 | incomplete | 01/16/2025 | ||||
5 secs | |||||||||||