OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details
PWS ID: OR41 00257
PWS Name: DETROIT WATER SYSTEM
 
Who Was Contacted and Phone: Bob Bruce (503) 854-3496
Contact Date: 05/31/2008
Contacted By: ERBELE, HANK (DWP)
Contact Method/Location: Field
 
Assistance Type: CIRCUIT RIDER ASSISTANCE
Reasons: N/A
N/A
 
Details: SUMMARY: Perform Ct Tracer Study DETAILS: A new Ultrasonic flowmeter was installed on the system’s 210,000 gallon storage reservoir outlet piping. A CT Tracer Study was requested to determine the current disinfection contact time. I drafted disinfection flow chart, tracer study worksheet and theoretical contact time. CT Tracer Study was performed on 5/6/08. I collected and evaluated data to establish disinfection contact time for the water treatment system. ACTION NEEDED: Complete Tracer Study report.

More information for this water system: SDWIS ID 3948
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