OHA Drinking Water Services
PWS ID: 00534 ---- MOLALLA, CITY OF
| Chemical Sampling Schedule Status | |||||||||||
| Facility ID |
Analyte or Group | Sampling Interval |
Monitoring Period | Days Until End |
Samples Required |
Samples Received |
Last Sample Date |
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|---|---|---|---|---|---|---|---|---|---|---|---|
| Start | End | ||||||||||
| CH-A COMMON HEADER FOR WTP-A | TOC & ALKALINITY | notes | Quarterly | 10/01/2022 - 12/31/2022 | 22 | 1 | done | 11/01/2022 | |||
| DIST-A DISTRIBUTION SYSTEM | ASBESTOS, DIST | notes | 9 Years | 01/01/2020 - 12/31/2028 | 2,214 | 1 | done | 11/17/2020 | |||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2024 - 12/31/2024 | 30 | 07/26/2021 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Quarterly | 10/01/2022 - 12/31/2022 | 22 | 2 | done | 11/01/2022 | |||
| EP-A EP FOR MOLALLA RIVER | ARSENIC | notes | 9 Years | 01/01/2017 - 12/31/2025 | 1,118 | 1 | done | 05/16/2018 | |||
| EP-A EP FOR MOLALLA RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 2,214 | 1 | incomplete | 02/13/2018 | |||
| EP-A EP FOR MOLALLA RIVER | NITRATE | Yearly | 01/01/2022 - 12/31/2022 | 22 | 1 | done | 11/16/2022 | ||||
| EP-A EP FOR MOLALLA RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 2,214 | 1 | incomplete | 02/13/2018 | |||
| EP-A EP FOR MOLALLA RIVER | RAD - GROSS ALPHA | notes | 9 Years | 01/01/2017 - 12/31/2025 | 1,118 | 1 | done | 11/12/2019 | |||
| EP-A EP FOR MOLALLA RIVER | RAD - RADIUM 226/228 | notes | 9 Years | 01/01/2017 - 12/31/2025 | 1,118 | 1 | done | 11/12/2019 | |||
| EP-A EP FOR MOLALLA RIVER | RAD - URANIUM | notes | 9 Years | 01/01/2017 - 12/31/2025 | 1,118 | 1 | done | 11/12/2019 | |||
| EP-A EP FOR MOLALLA RIVER | SOC | notes | 3 Years | 01/01/2020 - 12/31/2022 | 22 | 2 | incomplete | 08/23/2022 | |||
| EP-A EP FOR MOLALLA RIVER | VOLATILE ORGANICS | Yearly | 01/01/2022 - 12/31/2022 | 22 | 1 | done | 08/23/2022 | ||||
| WTP-A TP FOR MOLALLA RIVER | TOTAL ORGANIC CARBON | notes | Quarterly | 10/01/2022 - 12/31/2022 | 22 | 1 | done | 11/01/2022 | |||
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