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OHA Drinking Water Services Contact Report Details
PWS ID:	OR41 91079
PWS Name:	OPRD DESCHUTES RIVER REC AREA

Who Was Contacted:	David Spangler
Contact Phone:	541-739-2322 (Email address hidden)
Contact Date:	10/07/2021
Contacted By:	BAILEY, NICOLE (WASCO COUNTY)
Contact Method/Location:	Email

Assistance Type:	OTHER WATER QUALITY - Discussed the thoughts on a switch from chlorine to UV
Reasons:	Operations

Details:	David reached out and requested the DWP thoughts on the research they are doing into potentially switching from residual chlorine disinfection to UV disinfection. I requested more info on the hopes for the switch to change the disinfection. Info on how uv disinfection is really effective for source water disinfection but not distribution residual disinfection. I followed up with the information that Deschutes has not has a coliform positive since 2014, and might have a valid stance for turning off chlorine with the same effect with approval.