OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details
PWS ID: OR41 00394
PWS Name: IDANHA CITY WATER
 
Who Was Contacted and Phone: Greg Benthin, Walt Callier (541) 897-2669
Contact Date: 04/22/2008
Contacted By: ERBELE, HANK (DWP)
Contact Method/Location: Field
 
Assistance Type: CIRCUIT RIDER ASSISTANCE
Reasons: N/A
N/A
 
Details: SUMMARY: Perform Contact time Tracer Study DETAILS: A new “Ultrasonic Flowmeter” was installed on the system’s 350,000 gallon storage reservoir outlet piping. A CT Tracer Study was requested to determine the current disinfection contact time. I reviewed project scope with the DRC and treatment plant operator. I toured the treatment and storage facilities including disinfection feed system, sample points, storage vessel and flow configuration. I drafted process flowcharts and operation plan for process adjustments for the CT Tracer Study. ACTION NEEDED: Finalize data evaluation and theoretical contact times. Perform Study and compile measured data into a report for the City and DWP.

More information for this water system: SDWIS ID 3961
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