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chennaimetrowater .tn .gov .in. Chennai Metropolitan Water Supply and Sewerage Board, known shortly as CMWSSB, is a statutory board of Government of Tamil Nadu which provides water supply and sewage treatment to the city of Chennai and its metropolitan region . Chennai is one of the metros in India that are dependent mostly on ground water supply.
Water chlorination as a means of treatment began to be used in the late 19th century. Bleaching powder was the first material used for chlorination. Middelkerke, Belgium, would become the first city to chlorinate its water, in 1902, and Jersey City, New Jersey, became the first in city in the United States to do so, in 1909.
Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment. Water treatment removes contaminants and undesirable ...
The Clean Water Act ( CWA) is the primary federal law in the United States governing water pollution. Its objective is to restore and maintain the chemical, physical, and biological integrity of the nation's waters; recognizing the responsibilities of the states in addressing pollution and providing assistance to states to do so, including ...
The term "public" in "public water system" refers to the people drinking the water, not to the ownership of the system. Some US states (e.g. New York) have varying definitions. Over 286 million Americans get their tap water from a community water system. Eight percent of the community water systems—large municipal water systems—provide ...
Drinking water quality in the United States. Drinking water quality in the United States is generally safe. In 2016, over 90 percent of the nation's community water systems were in compliance with all published U.S. Environmental Protection Agency (US EPA) standards. [1] Over 286 million Americans get their tap water from a community water system.
In 2014 the City of Detroit was in the middle of the largest municipal bankruptcy in U.S. history and the city aggressively started turning off water to delinquent accounts in a desperate attempt ...
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 ...