Haverhill, MA-WWTF & Main Pump Station Odor Control Improvements Project

This project includes construction of a manufactured carbon unit at the Main Pump Station, a biofilter for treatment of odors in the screen and grit dumpster room, primary effluent channel, gravity thickeners, centrifuges, dewatering room and sludge cake garage; a potassium permanganate feed system to the influent channel consisting of dry chemical feed equipment, chemical feed pumps, and process piping and associated components