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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) 525-3937
Contact Date:	05/21/2008
Contacted By:	HENRY, ROBERT (DWP)
Contact Method/Location:	Field

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

Details:	SUMMARY: Recommendations for increasing Chlorine Contact time DETAILS: System originally contacted HBH for Tracer Study. The study revealed that the contact times does not meet the 30 minutes required for groundwater system using continuous chlorination. I performed initial calculations to determine what storage would be needed to ensure the 30 minutes contact time. ACTION NEEDED: Continue to assist system with solution for inadequate contact time.