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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 91839
PWS Name:	COAST MARINA & RV PARK

Who Was Contacted and Phone:	Craig Wolford (541) 997-3031
Contact Date:	06/19/2017
Contacted By:	PULS, SARAH (LANE COUNTY)
Contact Method/Location:	Office

Assistance Type:	WATER QUALITY ALERT RESPONSE
Reasons:	Coliform N/A

Details:	SUMMARY: Source Confirmed E.coli + DETAILS: A contact time was calculated to achieve 4-log disinfection. The calculated chlorine residual is 0.7 mg/l. Craig stated they have been chlorinating at this level which is whw the distribution sample was absent for bacteria. Provided the system with a copy of the contact time calculation and a form for monthly groundwater monitoring report. System will practice interim 4 log disinfection until the source water assessment has been completed and a corrective action has been determined. ACTION NEEDED: Source water assessment.

Associated Alerts:	COLI16835 - 06/19/2017 - COLIFORM (TCR) , E. COLI COLI16835 - 06/19/2017 - COLIFORM (TCR) , E. COLI COLI16835 - 06/19/2017 - COLIFORM (TCR) , E. COLI COLI16835 - 06/19/2017 - COLIFORM (TCR) , E. COLI COLI16835 - 06/19/2017 - COLIFORM (TCR) , E. COLI