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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00356
PWS Name:	GRASS VALLEY WATER SYSTEM

Who Was Contacted and Phone:	Tamar Fritts (541) 333-2434
Contact Date:	07/13/2009
Contacted By:	ZALAZNIK, JOHN (SHERMAN COUNTY)
Contact Method/Location:	Office

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

Details:	SUMMARY: Follow up on coliform alert DETAILS: Positive sample on 7/7/09 and two repeats were taken and both were positive. No idea why this is happening. Operator is out of town dealing with emergency matters so the city clerk is dealing with the violation notice and the batch chlorination of the 250,000gal reservoir and then going to turn on the cal-hypo chlorinator. ACTION NEEDED: Batch the tank to 1ppm with approximately 5 gal of chlorine and then turn on the chlorinator and try to get to .5ppm residual. Take 2 more repeats in the month. 5 routines will be needed in August.

Associated Alerts:	COLI6451 - 07/13/2009 - COLIFORM (TCR) COLI6451 - 07/13/2009 - COLIFORM (TCR)