Coldwater WWTP

This projected consisted of plant improvements to increase the influent sewer flow and wet weather treatment capability into the existing plant from 70 MGD per day to approximately 120 MGD per day.

The project included construction of a new Headworks Building, four new primary clarifiers, a Sludge and Grit Pump Station, flow splitting facilities, Blower Building, Electrical Substation final clarifier, sludge thickener, carbon absorption odor control system, new ferrous chloride system and Maintenance Building.

Modifications to the existing plant included extensive improvements to existing aeration basins, sludge thickener, digester complex, electrical and HVAC and entire plant SCADA system upgrades.

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