OHA Drinking Water Services
Contact Report Details |
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| PWS ID: | OR41 00544 | ||
| PWS Name: | MOUNT ANGEL, CITY OF | ||
| Who Was Contacted: | Allen Dahlberg | ||
| Contact Phone: | (Email address hidden) | ||
| Contact Date: | 07/22/2022 | ||
| Contacted By: | WIKSTROM, CHANTAL (DWP) | ||
| Contact Method/Location: | |||
| Assistance Type: | WATER QUALITY ALERT RESPONSE | ||
| Reasons: | Coliform |
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| Details: | DWS got an alert for a +TC (negative E. coli) detection for this system at 305 E. Church sampling site. DWS reminded the operator to take all necessary repeats (original site, downstream, upstream) and triggered samples at active sources (Wells 6 & 7). repeat sampling site at 305 E. Church came back positive for TC (negative E. coli), all other samples came back negative. These samples qualify for invalidation and samples from July 19 and 21 will be taken out of the system. System will need to collect and send in 4 coliform samples to replace the invalidated samples. Also notified the operator that if the system has another coliform investigation between now (July) and February 2023, they will be required to install disinfection residual maintenance. | ||
| Associated Alerts: | COLI22338 - - COLI22344 - - |
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