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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 93427
PWS Name:	DYNO NOBEL INC

Who Was Contacted and Phone:	Alicia Kahl (503) 397-7502
Contact Date:	08/18/2015
Contacted By:	NUSRALA, JAMES (REGION 1)
Contact Method/Location:	Office

Assistance Type:	BOIL WATER
Reasons:	GWR Coliform

Details:	SUMMARY: Issuance of boil water notice - fecal contamination in well #1 DETAILS: Alicia and I spoke about the follow up steps to the confirmed E. coli contamination in well #1 (field well), as 2 confirmation samples from well returned E. coli + on 8/17. System had valved off well #1 after initial E.Coli + assessment sample on 8/13, and has been using well #2 exclusively. System had drained the pressure tank, and notified staff of fecal contamination in well and that bottled water is available as a result after confirmed results came back. System is unsure about the usage of water over the past 3-4 days. Because of questions about the slug of fecal contaminated water from well #1, the lack of 4-log viral inactivation, system was placed on a boil water notice on 8/18. ACTION NEEDED: System to post tier 1 boil water notice for fecal contamination throughout facility today (8/18) with copy to DWS. System to chlorinate the entire distribution system, flush, and take a representative number of coliform bacteria samples in distribution to request lifting of the boil water notice from the County, most likely in next day or two.