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 |
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|---|---|---|---|---|---|---|---|---|---|---|---|
| Start | End | ||||||||||
| DIST-A DISTRIBUTION SYSTEM | LEAD & COPPER | 6 Months | 07/01/2023 - 12/31/2023 | 29 | 5 | done | 09/28/2023 | ||||
| DIST-A DISTRIBUTION SYSTEM | STAGE 2 DBP | notes | Yearly | 01/01/2023 - 12/31/2023 | 29 | 1 | done | 09/22/2023 | |||
| Seasonal sampling period: 09/01 thru 09/30 | |||||||||||
| EP-A EP FOR WELLS | ARSENIC | 3 Years | 01/01/2023 - 12/31/2025 | 760 | 1 | incomplete | 10/29/2019 | ||||
| EP-A EP FOR WELLS | IOC | 3 Years | 01/01/2023 - 12/31/2025 | 760 | 1 | incomplete | 10/29/2019 | ||||
| EP-A EP FOR WELLS | NITRATE | Yearly | 01/01/2023 - 12/31/2023 | 29 | 1 | done | 10/11/2023 | ||||
| EP-A EP FOR WELLS | NITRITE | 3 Years | 01/01/2023 - 12/31/2025 | 760 | 1 | incomplete | 10/29/2019 | ||||
| EP-A EP FOR WELLS | RAD - GROSS ALPHA | Quarterly | 10/01/2023 - 12/31/2023 | 29 | 1 | done | 10/11/2023 | ||||
| EP-A EP FOR WELLS | RAD - RADIUM 226/228 | Quarterly | 10/01/2023 - 12/31/2023 | 29 | 1 | done | 10/11/2023 | ||||
| EP-A EP FOR WELLS | RAD - URANIUM | Quarterly | 10/01/2023 - 12/31/2023 | 29 | 1 | done | 10/11/2023 | ||||
| EP-A EP FOR WELLS | SOC | 3 Years | 01/01/2023 - 12/31/2025 | 760 | 1 | incomplete | 12/06/2022 | ||||
| EP-A EP FOR WELLS | VOLATILE ORGANICS | 3 Years | 01/01/2023 - 12/31/2025 | 760 | 1 | done | 07/28/2023 | ||||
37 secs | |||||||||||