OHA Drinking Water Services
PWS ID: 00665 ---- TUALATIN VALLEY WATER DISTRICT
| 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 | ||||||||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | 6 Months | 07/01/2022 - 12/31/2022 | 24 | 100 | done | 10/13/2022 | ||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Quarterly | 10/01/2022 - 12/31/2022 | 24 | 8 | incomplete | 09/14/2022 | |
| EP-C EP FOR WELL 1 - GRABHORN ASR | ARSENIC | notes | 9 Years | 01/01/2017 - 12/31/2025 | 1,120 | 1 | done | 05/13/2021 | |
| EP-C EP FOR WELL 1 - GRABHORN ASR | IOC | notes | 9 Years | 01/01/2017 - 12/31/2025 | 1,120 | 1 | done | 11/04/2020 | |
| EP-C EP FOR WELL 1 - GRABHORN ASR | NITRATE | Yearly | 01/01/2022 - 12/31/2022 | 24 | 1 | incomplete | 05/13/2021 | ||
| EP-C EP FOR WELL 1 - GRABHORN ASR | NITRITE | notes | 9 Years | 01/01/2017 - 12/31/2025 | 1,120 | 1 | done | 05/13/2021 | |
| EP-C EP FOR WELL 1 - GRABHORN ASR | RAD - GROSS ALPHA | notes | 9 Years | 01/01/2020 - 12/31/2028 | 2,216 | 1 | done | 11/04/2020 | |
| EP-C EP FOR WELL 1 - GRABHORN ASR | RAD - RADIUM 226/228 | notes | 9 Years | 01/01/2014 - 12/31/2022 | 24 | 1 | done | 11/04/2020 | |
| EP-C EP FOR WELL 1 - GRABHORN ASR | RAD - URANIUM | notes | 9 Years | 01/01/2014 - 12/31/2022 | 24 | 1 | done | 11/04/2020 | |
| EP-C EP FOR WELL 1 - GRABHORN ASR | SOC | notes | 3 Years | 01/01/2020 - 12/31/2022 | 24 | 2 | done | 11/04/2020 | |
| EP-C EP FOR WELL 1 - GRABHORN ASR | VOLATILE ORGANICS | 3 Years | 01/01/2020 - 12/31/2022 | 24 | 1 | done | 11/04/2020 | ||
9 secs | |||||||||