OHA Drinking Water Services
PWS ID: 95174 ---- COLUMBIA RIVER DAIRY
| 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 | notes | 3 Years | 01/01/2024 - 12/31/2024 | 5 | 07/28/2021 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | 3 Years | 01/01/2023 - 12/31/2023 | 1 | done | 07/31/2023 | ||||
| Seasonal sampling period: 07/01 thru 07/31 | |||||||||||
| EP-A EP FOR HOLSTEIN WELL | ARSENIC | notes | 9 Years | 01/01/2017 - 12/31/2025 | 832 | 1 | done | 07/28/2021 | |||
| EP-A EP FOR HOLSTEIN WELL | IOC | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,928 | 1 | done | 07/28/2021 | |||
| EP-A EP FOR HOLSTEIN WELL | NITRATE | Yearly | 01/01/2023 - 12/31/2023 | 101 | 1 | done | 02/09/2023 | ||||
| EP-A EP FOR HOLSTEIN WELL | NITRITE | notes | 9 Years | 01/01/2020 - 12/31/2028 | 1,928 | 1 | done | 07/28/2021 | |||
| EP-A EP FOR HOLSTEIN WELL | SOC | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | done | 03/01/2023 | ||||
| EP-A EP FOR HOLSTEIN WELL | VOLATILE ORGANICS | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | incomplete | 07/28/2021 | ||||
| EP-B EP FOR JERSEY WELL | NITRATE | Yearly | 01/01/2023 - 12/31/2023 | 101 | 1 | done | 02/09/2023 | ||||
| EP-C EP FOR SHOP AND 6 MILE WELLS | ARSENIC | notes | 9 Years | 01/01/2017 - 12/31/2025 | 832 | 1 | done | 02/09/2023 | |||
| EP-C EP FOR SHOP AND 6 MILE WELLS | IOC | notes | 9 Years | 01/01/2017 - 12/31/2025 | 832 | 1 | done | 02/09/2023 | |||
| EP-C EP FOR SHOP AND 6 MILE WELLS | NITRATE | Yearly | 01/01/2023 - 12/31/2023 | 101 | 1 | done | 02/09/2023 | ||||
| EP-C EP FOR SHOP AND 6 MILE WELLS | NITRITE | notes | 9 Years | 01/01/2017 - 12/31/2025 | 832 | 1 | done | 02/09/2023 | |||
| EP-C EP FOR SHOP AND 6 MILE WELLS | SOC | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | done | 02/09/2023 | ||||
| EP-C EP FOR SHOP AND 6 MILE WELLS | VOLATILE ORGANICS | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | done | 02/09/2023 | ||||
| EP-D EP FOR WELL #5 | ARSENIC | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | done | 06/05/2023 | ||||
| EP-D EP FOR WELL #5 | IOC | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | done | 06/05/2023 | ||||
| EP-D EP FOR WELL #5 | NITRATE | Yearly | 01/01/2023 - 12/31/2023 | 101 | 1 | done | 06/05/2023 | ||||
| EP-D EP FOR WELL #5 | NITRITE | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | done | 06/05/2023 | ||||
| EP-D EP FOR WELL #5 | SOC | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | incomplete | 12/15/2022 | ||||
| EP-D EP FOR WELL #5 | VOLATILE ORGANICS | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | incomplete | 07/28/2021 | ||||
| EP-E EP FOR WELL #7 | ARSENIC | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | done | 06/05/2023 | ||||
| EP-E EP FOR WELL #7 | IOC | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | done | 06/05/2023 | ||||
| EP-E EP FOR WELL #7 | NITRATE | Yearly | 01/01/2023 - 12/31/2023 | 101 | 1 | done | 06/05/2023 | ||||
| EP-E EP FOR WELL #7 | NITRITE | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | done | 06/05/2023 | ||||
| EP-E EP FOR WELL #7 | SOC | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | incomplete | 07/28/2021 | ||||
| EP-E EP FOR WELL #7 | VOLATILE ORGANICS | 3 Years | 01/01/2023 - 12/31/2025 | 832 | 1 | incomplete | 07/28/2021 | ||||
9 secs | |||||||||||
| Expired Schedules | |||||||||
| Facility ID |
Analyte or Group | Sampling Interval |
Start | End | Samples Required |
Notes | |||
| DIST-A DISTRIBUTION SYSTEM | HAA5 & TTHM | 3 Years | 02/01/2005 | 12/31/2013 | 1 | Sample between June 1 and Sept. 30. | |||
| DIST-A DISTRIBUTION SYSTEM | HAA5 & TTHM | Yearly | 01/01/2004 | 12/31/2004 | 1 | Sample between June and September | |||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | 6 Months | 01/01/2002 | 12/31/2002 | 5 | ||||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | Yearly | 01/01/2003 | 12/31/2006 | 5 | Sample Between June 1st and Sept 30th | |||
| EP-A EP FOR HOLSTEIN WELL | ARSENIC | 3 Years | 01/01/2002 | 12/31/2016 | 1 | ||||
| EP-D EP FOR WELL #5 | SOC | Yearly | 01/01/2015 | 12/31/2019 | 1 | ||||
| EP-D EP FOR WELL #5 | VOLATILE ORGANICS | Yearly | 01/01/2015 | 12/31/2019 | 1 | ||||
| EP-E EP FOR WELL #7 | SOC | Yearly | 01/01/2018 | 12/31/2020 | 1 | ||||
| EP-E EP FOR WELL #7 | VOLATILE ORGANICS | Yearly | 01/01/2018 | 12/31/2020 | 1 | ||||
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