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MWRA

MWRA is a public authority established by an act of the Legislature in 1984 to provide wholesale water and sewer services to 3.1 million people and more than 5,500 large industrial users in 63 communities in eastern and central Massachusetts. System Overview MWRA assets are located in an area of more than 800 square miles, spanning from the Chicopee Valley to Boston Harbor. MWRA’s water system has more than 200 separate facilities, including the John J. Carroll Water Treatment Plant, with a capacity of 405 million gallons per day (mgd), the William A. Brutsch Water Treatment Facility, with a capacity of 16 mgd, 12 pump stations, and 14 below' or above'ground storage tanks. The water transmission system has 105 miles of active tunnels and aqueducts (mostly 10 to 14 feet in diameter) and 39 miles of standby aqueducts. MWRA’s wastewater system has 65 facilities, including two treatment plants, the Deer Island Treatment Plant, with a capacity of 1.27 billion gallons per day, and the Clinton Advanced Wastewater Treatment Plant, with a capacity of 12 million gallons per day. There are 13 pumping stations, a screen house and four remote head works, four Combined Sewer Overflow (CSO) facilities, and two CSO storage facilities.

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