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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 01501
PWS Name:	COUNTRY CLUB ESTATES WD

Who Was Contacted and Phone:	Ralph Dunham, Stuntzner (541) 267-2872
Contact Date:	07/12/2017
Contacted By:	MACPHERSON, JAMES (REGION 2)
Contact Method/Location:	Office

Assistance Type:	PLAN REVIEW
Reasons:	SWTR Operations

Details:	SUMMARY: Status of surface water treatment DETAILS: An ozone unit with all wetted parts of glass and/or stainless steel does not need certification to Standard 61. CBNB water will be chloramines, which complicates providing 1.0-log inactivation of Giardia on-site. Data needed on chloramine and pH values in CBNB system at master meter area. Could boost chlorine on-site to generate free chlorine to achieve CT, then return to chloramines after contact time. Tracer study could be conducted by Circuit Rider, CivilWest. Could use salt and measure conductivity as tracer. ACTION NEEDED: none