OHA Drinking Water Services
PWS ID: 00954 ---- WILSONVILLE, 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-H COMMON HEADER FOR WTP-H | TOC & ALKALINITY | notes | Quarterly | 01/01/2021 - 03/31/2021 | 30 | 1 | done | 01/07/2021 | |||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2021 - 12/31/2021 | 30 | incomplete | 09/14/2018 | ||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Quarterly | 01/01/2021 - 03/31/2021 | 30 | 4 | done | 02/10/2021 | |||
| EP-H EP FOR WILLAMETTE RIVER | BROMATE | notes | Quarterly | 01/01/2021 - 03/31/2021 | 30 | 1 | done | 01/06/2021 | |||
| EP-H EP FOR WILLAMETTE RIVER | ARSENIC | notes | 9 Years | 01/01/2017 - 12/31/2025 | 1,766 | 1 | done | 10/14/2020 | |||
| EP-H EP FOR WILLAMETTE RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 2,862 | 1 | done | 10/14/2020 | |||
| EP-H EP FOR WILLAMETTE RIVER | NITRATE | Yearly | 01/01/2021 - 12/31/2021 | 305 | 1 | incomplete | 10/14/2020 | ||||
| EP-H EP FOR WILLAMETTE RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 2,862 | 1 | done | 10/14/2020 | |||
| EP-H EP FOR WILLAMETTE RIVER | RAD - GROSS ALPHA | 9 Years | 01/01/2014 - 12/31/2022 | 670 | 1 | incomplete | 01/29/2013 | ||||
| EP-H EP FOR WILLAMETTE RIVER | RAD - RADIUM 226/228 | 9 Years | 01/01/2014 - 12/31/2022 | 670 | 1 | incomplete | 01/29/2013 | ||||
| EP-H EP FOR WILLAMETTE RIVER | RAD - URANIUM | 9 Years | 01/01/2014 - 12/31/2022 | 670 | 1 | incomplete | 01/29/2013 | ||||
| EP-H EP FOR WILLAMETTE RIVER | SOC | notes | 3 Years | 01/01/2020 - 12/31/2022 | 670 | 1 | done | 10/14/2020 | |||
| EP-H EP FOR WILLAMETTE RIVER | VOLATILE ORGANICS | Yearly | 01/01/2021 - 12/31/2021 | 305 | 1 | incomplete | 10/14/2020 | ||||
| SRC-HA WILLAMETTE RIVER | CYANOTOXINS | 2 Weeks | -- | -- | -- | -- | -- | 10/19/2020 | |||
| Seasonal sampling period: 05/01 thru 10/31 | |||||||||||
| WTP-H TP FOR WILLAMETTE RIVER | TOTAL ORGANIC CARBON | Quarterly | 01/01/2021 - 03/31/2021 | 30 | 1 | done | 01/07/2021 | ||||
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