OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 01311
PWS Name: LAUREL RIDGE MHP
 
Who Was Contacted and Phone: Curt Poulson (503) 556-2214
Contact Date: 11/13/2012
Contacted By: EDINGTON, MARK (COLUMBIA COUNTY)
Contact Method/Location: Office
 
Assistance Type: WATER QUALITY ALERT RESPONSE
Reasons: Coliform
N/A
 
Details: SUMMARY: Positive Ecoli DETAILS: I talked to curt onsite about the Ecoli positive source sample at well #2. There was a major leak just after the well a week before the sample was taken. Called Joel and James on the phone. Well #2 has been shut off over the weekend and the chlorine residual was raised over the weekend to over 1 ppm. Curt had the system pre-emotively on a boil notice over the weekend. We will get a copy of the boil notice. Curt has already done a disinfection after the sample for well #2. He will take 5 assessment samples in a couple of weeks since an immediate source sample would not be representative due to the disinfection. The operator also took 4 repeat samples on 11/9/12 and all were absent of coliform. James, Mark and I agreed that with well #2 off and the high chlorine residual over the weekend that the system no longer needed to be on a boil. The system will leave well #2 off until clean samples are obtained but eh system operator will pump to waste to cycle the well ACTION NEEDED: Obtain copy of the boil notice. Follow up with assessment samples after a few weeks for well #2
 
Associated Alerts: COLI11157 - 11/13/2012 - COLIFORM (TCR) , E. COLI

COLI11157 - 11/13/2012 - COLIFORM (TCR) , E. COLI



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