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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:	541-323-1746
Contact Date:	08/18/2021
Contacted By:	FREUND, JEFF (DESCHUTES COUNTY)
Contact Method/Location:	Phone

Assistance Type:	WATER QUALITY ALERT RESPONSE
Reasons:	Coliform

Details:	Ongoing follow up sampling to find and fix cause of coliforms. System has chlorinated and flushed twice and the last follow up sampling showed only one positive at the downstream location. Other two distribution and source sample absent. Chris submitted level 1 investigation form. They suspect very low water use (campground is empty due to low water at wickiup) and hot temperatures. They will continue to flush and take 3 temp routines in September. System is scheduled to close for season September 30.

Associated Alerts:	COLI21297 - 08/19/2021 - COLIFORM (TCR)