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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00703
PWS Name:	RICHLAND, CITY OF

Who Was Contacted and Phone:	Gary Chamberlin (541) 893-6141
Contact Date:	07/25/2013
Contacted By:	HENRY, ROBERT (DWP)
Contact Method/Location:	Field

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

Details:	SUMMARY: CT Tracer Study DETAILS: The City of Richland owns & operates a groundwater (under the influence) system that provides water to 175 connections. Water from Eagle Creek enters the system through an infiltration gallery. The system has a natural filtration credit & disinfection with sodium hypochlorite. Water travels from the infiltration & disinfection system from New Bridge to the City of Richlands elevated reservoir. The Circuit Rider was contacted by the City to provide assistance with a contact tracer study to determine the amount of contact time in the transmission main & reservoir before the first user. Met with operator on site to develop plan for new tracer study. ACTION NEEDED: Develop methodology, then complete data collection & testing report.