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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 92508
PWS Name:	USFS SOUTH TWIN LAKE CG

Who Was Contacted:	Chris Howerton
Contact Phone:	928-750-1946
Contact Date:	08/11/2021
Contacted By:	FREUND, JEFF (DESCHUTES COUNTY)
Contact Method/Location:	Phone

Assistance Type:	WATER QUALITY ALERT RESPONSE
Reasons:	Coliform

Details:	3 follow up samples labeled repeats tc+. Well sample absent. System chlorinated reservoir to 5mg/L following confirmed TC. System was flushed and resampled 8/10. Talked to Chris and they will chlorinate reservoir again to 10 mg/L and provide as much contact time as possible. We discussed ensuring chlorine solution is mixed well in the reservoir. Chris hopes to chlorinate tomorrow and get additional follow up samples early next week.

Associated Alerts:	COLI21273 - 08/11/2021 - COLIFORM (TCR)