OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

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: Email
 
Assistance Type: WATER QUALITY ALERT RESPONSE
Reasons: Coliform
 
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.
 
Associated Alerts: COLI22113 - 05/13/2022 - COLIFORM, TOTAL (TCR)

COLI22105 - 05/11/2022 - COLIFORM, TOTAL (TCR)



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System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review :: Annual Fee
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins :: PFAS
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3367