OHA Drinking Water Services
OHA Drinking Water Services
Contact Report Details

PWS ID: OR41 00953
PWS Name: WILLAMINA, CITY OF
 
Who Was Contacted and Phone: Matt Griffith (503) 437-7003
Contact Date: 04/19/2007
Contacted By: HENRY, ROBERT (DWP)
Contact Method/Location: Field
 
Assistance Type: CIRCUIT RIDER ASSISTANCE
Reasons: Operations
N/A
 
Details: SUMMARY: Assistance with chlorine switch DETAILS: Circuit rider was contacted by the City of Willamina to provide assistance with switch of disinfection from chlorine gas to sodium hypochlorite. The City of Willamina provides treated water through a dual-train packaged treatment system. Two onsite reservoirs (1.0 MG and 0.25 MG) act as clearwells for contact time. Circuit rider met with city staff and provided recommendations for new sodium hypochlorite system. Recommended dilution of the 12.5 percent hypo solution and provided storage tank recommendation (see attached report). ACTION NEEDED: None