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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00784
PWS Name:	PIONEER PARK CO-OP INC

Who Was Contacted and Phone:	Bill Bingle (503) 585-3937
Contact Date:	06/17/2008
Contacted By:	HENRY, ROBERT (DWP)
Contact Method/Location:	Office

Assistance Type:	CIRCUIT RIDER ASSISTANCE
Reasons:	N/A N/A

Details:	SUMMARY: Contact Tracer Study DETAILS: System owns and operates a groundwater system that serves approximately 50 persons through 23 connections. The source is a well. The water is disinfected at the well using liquid NaOCI. The system contacted HBH to provide a contact tracer study as required by DWP. Contact Study was performed. During testing it was discovered that the contact time does not meet the 30 minute required for groundwater systems using continuous chlorination. I composed CT Test Report (final report awaiting information from water system) ACTION NEEDED: Provide further assistance to system for solution to inadequate contact time.