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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00461
PWS Name:	RIVERGROVE WATER DISTRICT

Who Was Contacted and Phone:	DJ Ezell (503) 635-6041
Contact Date:	10/22/2012
Contacted By:	FARRELLY, PETER (DWP)
Contact Method/Location:	Office

Assistance Type:	WATER QUALITY ALERT RESPONSE
Reasons:	Coliform N/A

Details:	SUMMARY: Modified Action Plan DETAILS: Conference call this morning with DJ, and MSA consultants Brian Ginter and Jim Helton to follow-up from Thursdays conference call. They proposed a change to the action plan to resolve the TC+s: Feed both upper and lower distributions with chlorinated wells 2 & 3 by opening a few valves that connect the two distribution systems that can be opened in emergencies. And temporarily stop using the lower system well, #1. And temporarily stop using Reservoir #3 which got a TC+ Friday. ACTION NEEDED: 1. Limited flushing of the lower system with chlorinated wells. 2. Simultaneously, gently chlorinate lower distribution system. 3. Clean Reservoir #3 (and #1 and #2) 8 November 2012.

Associated Alerts:	COLI11065 - 10/18/2012 - COLIFORM (TCR) COLI11065 - 10/18/2012 - COLIFORM (TCR) COLI11065 - 10/18/2012 - COLIFORM (TCR)