OHA Drinking Water Services
PWS ID: 06118 ---- COLUMBIA HILLS HOA
| 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 | 01/01/2023 - 12/31/2023 | 5 | 09/28/2020 | |||||
| Seasonal sampling period: 06/01 thru 09/30 | |||||||||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Yearly | 01/01/2021 - 12/31/2021 | 235 | 1 | incomplete | 09/25/2020 | |||
| Seasonal sampling period: 09/01 thru 09/30 | |||||||||||
| EP-A EP FOR WELLS #1, #4, AND #2 | ARSENIC | notes | 9 Years | 01/01/2014 - 12/31/2022 | 600 | 1 | done | 10/29/2019 | |||
| EP-A EP FOR WELLS #1, #4, AND #2 | IOC | notes | 9 Years | 01/01/2014 - 12/31/2022 | 600 | 1 | done | 10/29/2019 | |||
| EP-A EP FOR WELLS #1, #4, AND #2 | NITRATE | Yearly | 01/01/2021 - 12/31/2021 | 235 | 1 | incomplete | 11/12/2020 | ||||
| EP-A EP FOR WELLS #1, #4, AND #2 | NITRITE | notes | 9 Years | 01/01/2014 - 12/31/2022 | 600 | 1 | done | 10/29/2019 | |||
| EP-A EP FOR WELLS #1, #4, AND #2 | RAD - GROSS ALPHA | 9 Years | 01/01/2014 - 12/31/2022 | 600 | 1 | incomplete | 08/13/2012 | ||||
| EP-A EP FOR WELLS #1, #4, AND #2 | RAD - RADIUM 226/228 | 9 Years | 01/01/2014 - 12/31/2022 | 600 | 1 | incomplete | 08/13/2012 | ||||
| EP-A EP FOR WELLS #1, #4, AND #2 | RAD - URANIUM | 9 Years | 01/01/2014 - 12/31/2022 | 600 | 1 | incomplete | 08/13/2012 | ||||
| EP-A EP FOR WELLS #1, #4, AND #2 | SOC | 3 Years | 01/01/2020 - 12/31/2022 | 600 | 1 | incomplete | 10/29/2019 | ||||
| EP-A EP FOR WELLS #1, #4, AND #2 | VOLATILE ORGANICS | 3 Years | 01/01/2020 - 12/31/2022 | 600 | 1 | incomplete | 10/29/2019 | ||||
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