White River CSO 039 Basin Client: City of Indianapolis Location: Indianapolis, Indiana As part of its five-year comprehensive plan to improve the water quality of its streams, the City of Indianapolis needed to reduce combined sewer overflows (CSOs) at CSO Outfall 039, which discharged into the White River. Donohue designed the new facility including a 3-mg underground storage/primary treatment tank, a flow control structure, submersible lift station with 7200 gallons per minute (gpm) duplex pumping system, flow monitoring equipment, tank flushing system for odor control, and associated piping. Donohue also designed bank stabilization around the new facilities, an access road, power distribution, and provided permitting assistance. The cast-in-place concrete tank was constructed completely

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