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 |
||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Start | End | ||||||||||
| CH-H COMMON HEADER FOR WTP-H | TOC & ALKALINITY | notes | Quarterly | 07/01/2023 - 09/30/2023 | 5 | 1 | done | 07/12/2023 | |||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | notes | 3 Years | 01/01/2024 - 12/31/2024 | 30 | 08/24/2021 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Quarterly | 07/01/2023 - 09/30/2023 | 5 | 4 | done | 08/10/2023 | |||
| EP-H EP FOR WILLAMETTE RIVER | BROMATE | notes | Quarterly | 07/01/2023 - 09/30/2023 | 5 | 1 | done | 07/05/2023 | |||
| EP-H EP FOR WILLAMETTE RIVER | ARSENIC | notes | 9 Years | 01/01/2017 - 12/31/2025 | 828 | 1 | done | 01/11/2023 | |||
| EP-H EP FOR WILLAMETTE RIVER | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,924 | 1 | done | 01/11/2023 | |||
| EP-H EP FOR WILLAMETTE RIVER | NITRATE | Yearly | 01/01/2023 - 12/31/2023 | 97 | 1 | done | 01/11/2023 | ||||
| EP-H EP FOR WILLAMETTE RIVER | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,924 | 1 | done | 01/11/2023 | |||
| EP-H EP FOR WILLAMETTE RIVER | RAD - GROSS ALPHA | 9 Years | 01/01/2023 - 12/31/2031 | 3,019 | 1 | incomplete | 04/25/2022 | ||||
| EP-H EP FOR WILLAMETTE RIVER | RAD - RADIUM 226/228 | 9 Years | 01/01/2023 - 12/31/2031 | 3,019 | 1 | incomplete | 04/25/2022 | ||||
| EP-H EP FOR WILLAMETTE RIVER | RAD - URANIUM | 9 Years | 01/01/2023 - 12/31/2031 | 3,019 | 1 | incomplete | 04/25/2022 | ||||
| EP-H EP FOR WILLAMETTE RIVER | SOC | notes | 3 Years | 01/01/2023 - 12/31/2025 | 828 | 1 | done | 01/11/2023 | |||
| EP-H EP FOR WILLAMETTE RIVER | VOLATILE ORGANICS | Yearly | 01/01/2023 - 12/31/2023 | 97 | 1 | done | 04/05/2023 | ||||
| SRC-HA WILLAMETTE RIVER | CYANOTOXINS | 2 Weeks | 09/24/2023 - 10/07/2023 | 12 | 1 | incomplete | 09/18/2023 | ||||
| Seasonal sampling period: 05/01 thru 10/31 | |||||||||||
| WTP-H TP FOR WILLAMETTE RIVER | TOTAL ORGANIC CARBON | Quarterly | 07/01/2023 - 09/30/2023 | 5 | 1 | done | 07/12/2023 | ||||
12 secs | |||||||||||