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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 00501
PWS Name:	DESCHUTES VALLEY WATER DIST

Who Was Contacted:	Joel Gehrett
Contact Phone:	541-777-4169
Contact Date:	08/09/2021
Contacted By:	BYRD, MICHELLE P (DWP)
Contact Method/Location:	Phone

Assistance Type:	WATER QUALITY ALERT RESPONSE
Reasons:	Coliform

Details:	I spoke with Joel about the two routine total coliform positive samples collected on August 2nd at sites 14 and 19. The repeat samples (i.e., original, upstream, downstream) will be collected today for both positive routines. A combined source sample will also be collected. He said the positive routine samples were analyzed with the MTF method. After learning of the positive samples, additional 'special' samples were collected in the same area and at the storage tanks to further investigate the coliform issue. The additional samples analyzed with the colisure method were all coliform absent. I inform Joel that the two coliform positives triggered a coliform investigation. The investigation will be scheduled once the repeat sample results are known. On Monday, August 16th Joel notified me that two of the six repeats sampled on August 9th were coliform positive. The combined source sample was absent. We discussed scheduling the investigation site visit the week of August 30th - September 3rd.

Associated Alerts:	COLI21279 - 08/13/2021 - COLIFORM (TCR) COLI21253 - 08/06/2021 - COLIFORM (TCR)