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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00581
PWS Name:	OAKLAND, CITY OF

Who Was Contacted and Phone:	James Hart (541) 430-5308
Contact Date:	06/08/2010
Contacted By:	NEGHERBON, SEAN (DWP)
Contact Method/Location:	Field

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

Details:	SUMMARY: Tracer Study DETAILS: The City owns and operates a municipal water treatment system treating water from Calapooya Creek. They wish to perform a tracer study to confirm contact times at several flows. I ran a tracer study using chlorine for the tracer at a normal winter time flow is 200 gpm. Forwarded the information gathered to Rob Henry for analyses and approval. ACTION NEEDED: We will need to perform a tracer study at a normal summer time flow of 500 gpm, which is the maximum operating capacity of the plant.