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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 05108
PWS Name:	TROLLERS COVE WATER ASSN

Who Was Contacted and Phone:	Rae Sehl
Contact Date:	01/19/2010
Contacted By:	JENSEN, NEIL (LINCOLN COUNTY)
Contact Method/Location:	Office

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

Details:	SUMMARY: Coliform violation DETAILS: Discussed system issues with Rae on site. Took pH, temperature and chlorine residual readings at first user and computed contact time to meet 4 log reduction of viruses. Water system maintains a chlorine residual of 2.5- 2.6 ppm and will start testing on a daily basis. This system does not have a turbidimeter or other means to measure turbidity and surface water source is not filtered before treatment/usage. Explained risks of Giardia and Cryptosporidium in unfiltered surface water to operator. System operator had bottles to conduct 4 repeat samples and will send in coliform report to state on a monthly basis. Violation is for not submitting surface water report, system does not have equipment to conduct turbidity measurements. ACTION NEEDED: 5 routine samples in February.

Associated Alerts:	COLI7213 - 01/08/2010 - COLIFORM (TCR)