OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00799
Who Was Contacted and Phone: Ben Davis (503) 738-5112
Contact Date: 09/13/2010
Contacted By: HOFELD, EVAN (REGION 1)
Contact Method/Location: Office
Reasons: Lead or Copper
Details: SUMMARY: LCR excursion for August DETAILS: Received an alert for 4 excursions that took place on August 2nd, 7th, 17th, and 20th of 2010. The lowest pH was 6.89 and the minimum pH they needed to meet was 7.2. The pH the day before and after each excursion met the minimum. The excursions were attributed to alarm failures and disinfection upsets. The system has resolved the disinfection issues and is working to resolve alarm deficiencies. ACTION NEEDED: System to continue to monitor compliance with the minimum pH of 7.2 and work on resolving alarm deficiencies.
Associated Alerts: LCRE11671 - 09/10/2010 - LCR EXCURSION

For further information on this public water system, click on the area of interest below:
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
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 4303