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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00968
PWS Name:	YAMHILL, CITY OF

Who Was Contacted and Phone:	Richard Howard (503) 662-4344
Contact Date:	04/22/2014
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 Yamhill owns and operates a surface water system that provides water to 920 people through 450 connections. Water from Turner Creek is treated by a rapid sand filtration treatment plant prior to disinfection with sodium hypochlorite. The Circuit Rider was contacted by Richard Howard to provide assistance with a contact tracer study to determine the amount of contact time with the disinfector prior to the first user. The newer intake improvements will allow for the necessary flow conditions to complete the tracer testing at the appropriate rate. Completed CT tracer study methodology. Corresponded with Mr. Howard regarding OHA comments. ACTION NEEDED: Perform tracer testing.