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The Metropolitan Water Reclamation District of Greater Chicago (MWRD), originally known as the Sanitary District of Chicago, is a special-purpose district chartered to operate in Cook County, Illinois since 1889. Although its name may imply otherwise, it is not a part of the City of Chicago 's local government but is created by Illinois state ...
The canal was in part built as a sewage treatment scheme. Prior to its opening in 1900, sewage from the city of Chicago was dumped into the Chicago River and flowed into Lake Michigan. The city's drinking water supply was (and remains) located offshore, and there were fears that the sewage could reach the intake and cause serious disease ...
At the POTW, harmful pollutants in domestic sewage, called conventional pollutants, are removed from the sewage and then the treated effluent is discharged into a surface water body. [38] The removed solids constitute sewage sludge, which typically receive further treatment prior to final disposal on land. (See Sewage sludge treatment.) POTWs ...
The term sewage treatment plant (STP) (or sewage treatment works) is nowadays often replaced with the term wastewater treatment plant (WWTP). [7] [8] Strictly speaking, the latter is a broader term that can also refer to industrial wastewater treatment. The terms water recycling center or water reclamation plants are also in use as synonyms.
The construction grants program funded new sewage treatment plants and upgrading existing plants to national secondary treatment standards. To assist municipalities in building or expanding sewage treatment plants, also known as publicly owned treatment works (POTW), Title II established a system of construction grants. The 1972 CWA provided ...
The Hyperion Wastewater Treatment Plant in Los Angeles, California, is one of the largest municipal plants in the United States. Sewage treatment systems in the United States are subject to the Clean Water Act (CWA) and are regulated by federal and state environmental agencies. In most states, local sewage plants receive discharge permits from ...
Sewage sludge treatment describes the processes used to manage and dispose of sewage sludge produced during sewage treatment. Sludge treatment is focused on reducing sludge weight and volume to reduce transportation and disposal costs, and on reducing potential health risks of disposal options. Water removal is the primary means of weight and ...
The Solid Waste Disposal Act ( SWDA) is an act passed by the United States Congress in 1965. [ 1] The United States Environmental Protection Agency described the Act as "the first federal effort to improve waste disposal technology". [ 2] After the Second Industrial Revolution, expanding industrial and commercial activity across the nation ...