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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00799
PWS Name:	SEASIDE WATER DEPARTMENT

Who Was Contacted and Phone:	Jim Gohring (503) 738-5148
Contact Date:	07/31/2009
Contacted By:	KARCH, ANDREW (DWP)
Contact Method/Location:	Field

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

Details:	SUMMARY: Contact Tracer Study - 1200 gpm DETAILS: The City of Seaside owns and operates a Surface Water system, which supplies approximately 6,000 people through 3,600 connections. The City treats water from the Necanicum River through a dual-train, upflow clarifier and rapid sand package treatment plant. HBH was contacted by Jim Gohring to conduct a tracer study at 1,200 gpm. I went to plant to conduct testing. Chlorine residual at end of chlorine contact chamber was unusually low. Started test and chlorine level was raised too high. I had to stop test due to extremely high residual going into the contact chamber. Determined needed feed pump rate for correct residual for test. ACTION NEEDED: Redo CT testing for 1,200 gpm.