OHA Drinking Water Services
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: | 971-666-8512 (Email address hidden) | ||
| Contact Date: | 05/11/2022 | ||
| Contacted By: | WIKSTROM, CHANTAL (DWP) | ||
| Contact Method/Location: | |||
| Assistance Type: | WATER QUALITY ALERT RESPONSE | ||
| Reasons: | Coliform |
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| Details: | DWS was notified that the City of Mount Angel had two total coliform detections at 855 Reagan and 400 Alder, both are E. coli negative. City followed up with repeat samples (upstream, downstream and original sites) for both positive detections. Triggered well samples for Well 6 and Well 7 are negative for negative for both total coliform and E. coli. 3 repeat samples came back positive for total coliform at 855 Reagan, 495 Alder and 290 Alder sampling sites. Operator is out of the office Friday, May 13th and DWS will follow up with the operator on Monday to complete the Level 2 Investigation form. System recently cleaned their reservoirs which caused a lot of sediment and biofilm in piping to be dislodged. System as flushed all hydrants at a high velocity which was a likely contributor to the recent detections. |
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| Associated Alerts: | COLI22113 - 05/13/2022 - COLIFORM, TOTAL (TCR) COLI22105 - 05/11/2022 - COLIFORM, TOTAL (TCR) |
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