OHA Drinking Water Services
PWS ID: 00898 ---- TIMBER WATER ASSOCIATION
| 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 | ||||||||||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2023 - 12/31/2023 | 5 | 07/31/2020 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Yearly | 01/01/2022 - 12/31/2022 | 30 | 1 | done | 09/27/2022 | |||
| Seasonal sampling period: 07/01 thru 07/31 | |||||||||||
| EP-A EP FOR NEHALEM RIVER | ARSENIC | notes | 9 Years | 01/01/2014 - 12/31/2022 | 30 | 1 | done | 09/12/2022 | |||
| EP-A EP FOR NEHALEM RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 2,222 | 1 | done | 09/12/2022 | |||
| EP-A EP FOR NEHALEM RIVER | NITRATE | Yearly | 01/01/2022 - 12/31/2022 | 30 | 1 | done | 09/12/2022 | ||||
| EP-A EP FOR NEHALEM RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 2,222 | 1 | done | 09/12/2022 | |||
| EP-A EP FOR NEHALEM RIVER | RAD - GROSS ALPHA | notes | 9 Years | 01/01/2017 - 12/31/2025 | 1,126 | 1 | incomplete | 08/10/2011 | |||
| EP-A EP FOR NEHALEM RIVER | RAD - RADIUM 226/228 | notes | 9 Years | 01/01/2014 - 12/31/2022 | 30 | 1 | incomplete | 08/10/2011 | |||
| EP-A EP FOR NEHALEM RIVER | RAD - URANIUM | notes | 9 Years | 01/01/2014 - 12/31/2022 | 30 | 1 | incomplete | 08/10/2011 | |||
| EP-A EP FOR NEHALEM RIVER | SOC | 3 Years | 01/01/2020 - 12/31/2022 | 30 | 1 | done | 09/12/2022 | ||||
| EP-A EP FOR NEHALEM RIVER | VOLATILE ORGANICS | Yearly | 01/01/2022 - 12/31/2022 | 30 | 1 | incomplete | 11/17/2021 | ||||
7 secs | |||||||||||