OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00556
Who Was Contacted and Phone: Mike Silbsager (503) 842-9405
Contact Date: 11/29/2007
Contacted By: HENRY, ROBERT (DWP)
Contact Method/Location: Field
Reasons: N/A
Details: SUMMARY: Contact Tracer Study DETAILS: This system serves approximately 1800 persons through 950 connections. The District has a direct filtration treatment plant, followed by a 600,000 gallon reservoir/clearwell. HBH was contacted to perform a CT Study. As the system did not have a delivery flowmeter, HBH recommended addition of a flowmeter at the water treatment plant. Now that it has been installed, and the system has had one summer to record peak flows, the contact tracer study was performed. I conducted contact tracer testing, using elevated chlorine levels as the tracer chemical. ACTION NEEDED: Complete contact tracer study.

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DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3976

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