OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 01012
Who Was Contacted and Phone: Clay Sasser and Mark Woodrow (541) 498-2604
Contact Date: 01/31/2008
Contacted By: STRASSNER, BOB (DWP)
Contact Method/Location: Field
Reasons: N/A
Details: SUMMARY: CT Study DETAILS: System needed assistance submitting a CT Study. I visited the system for the purpose of conducting the study on 1/31/08. The operators were on site for assistance during the study. The conventional plant a TriMite by US Filter uses a post hypo-chlorination as the primary disinfection for the plantís treatment and filtration process. Raw water at a rate of 70 gpm was metered to the treatment process from the Toketee Lake Penstock. The post-chlorination process was paced by the plantís effluent meter signal. Residences are served from a combined storage system of tow 5,000 gallon tanks located above the operations center and village complex. The first user was sampled for residual chlorine prior to the study with a HACH Colorimeter II. An on line HACH CL-17 provided residual readings post filtration through-out the study. ACTION NEEDED: Review study data and complete report and letter of certification.

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