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OHA Drinking Water Services Water Advisory Details |
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| PWS ID: | OR41 01172 |
| PWS Name: | WESTERN HILLS MH ESTATES |
| Advisory Type: | Boil Water |
| Reason: | E. coli, Confirmed at GW Source Without Treatment |
| Area Affected: | System-wide |
| Affected Populations: | All |
| Begin Date: | Jun 21, 2022 |
| Date Lifted: | Jun 23, 2022 |
| Contacted By: | OSBORN, DANIEL (COLUMBIA COUNTY) |
| Who Was Contacted: | Robert Trotter, Hiland Water |
| Contact Phone: | 971-832-9148 |
| Details: | One of the 5 confirmation samples taken at the well for Western Hills MH Estates tested positive for e. coli system is now currently on a Boil Water Notice. OHA DWS sent a letter detailing the next steps and options for corrective action. Lifted 06/23/2022: On 6/23/2022, Robert Trotter notified DWS and me that based on chlorine residual, pH, temperature, flow rate and amount of pipe to reservoir, they achieve a CT of 6. They have been able to achieve 4-log deactivation. They also got the results back from their special coliform/bacT sample which came back negative. The Boil Water Notice for the system has been lifted. |
| Associated Alerts: | COLI22177 - 06/13/2022 - COLIFORM (TCR) , E. COLI See also: 12/15/2022, 06/23/2022, 06/13/2022 COLI22206 - 06/21/2022 - COLIFORM (TCR) , E. COLI See also: 12/27/2022, 12/15/2022, 06/23/2022, 06/22/2022, 06/21/2022 |