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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00510
PWS Name:	MAUPIN, CITY OF

Who Was Contacted and Phone:	JOY RAMIREZ (541) 395-2684
Contact Date:	06/30/2016
Contacted By:	HENRY, ROBERT (DWP)
Contact Method/Location:	Field

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

Details:	SUMMARY: DETERMINATION OF CONTACT TIME (VIRUS INACTIVATION) DETAILS: The City of Maupin owns and operates a groundwater system which serves 420 people through 334 connections. The source water for the City is a 3 spring collection system. In October 2015, the City springs entry point was positive for E. Coli. The City contacted the Circuit Rider to assist with items on the Corrective Action Plan. These items include verification of disinfection CT (for 4-Log Virus GWR Compliance) and MPA collection (for GWUDI determination). Corresponded with CWS staff regarding previous determination of contact time for virus inactivation. ACTION NEEDED: Assist with determination of available contact time. Provide assistance with MPA testing, if requested.