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The Massachusetts Water Resources Authority (MWRA) is a public authority in the Commonwealth of Massachusetts that provides wholesale drinking water and sewage services to 3.1 million people in sixty-one municipalities and more than 5,500 large industrial users in the eastern and central parts of the state, primarily in the Boston area. [2]
The largest retail water and wastewater utility in New England, BWSC owns and operates the drinking water distribution, wastewater collection and stormwater drainage systems; which utilise 1,015 miles (1,633 km) of water main and 1,435 miles (2,309 km) of sewer pipe and storm drain. It was created in 1977 taking control of the city operated ...
Network operators (grid operators, regional network operators, and distribution network operators) sell access to their networks to retail service providers, who deliver the product to the end user. Traders and marketers buy and sell the actual product and create further complex structured products, combined services and derivatives products.
Wastewater from the 43 communities in the Boston area served by the MWRA reaches the plant through four tunnels. Three pump stations with a combined capacity of 1270 million gallons per day (mgd) lift the wastewater about 150 feet to primary treatment clarifiers that use gravity to remove about half of the pollutants.
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After treatment at TPS, effluent is pumped through a 36-inch diameter pipe along an eight-and-a-half mile route to the Southeast Farm. With the oversight of licensed wastewater treatment operators, a computer system controls the center-pivot sprinkler systems and the distribution of water through them.
The National Rural Water Association was founded in 1976 in response to the Safe Drinking Water Act, passed in 1974.The SDWA authorized the United States Environmental Protection Agency to set national health-based standards for drinking water to protect against both naturally occurring and man-made contaminants that may be found in drinking water.
The main purpose of wastewater treatment is for the treated wastewater to be able to be disposed or reused safely. However, before it is treated, the options for disposal or reuse must be considered so the correct treatment process is used on the wastewater. The term "wastewater treatment" is often used to mean "sewage treatment". [4]