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In the United States, bottled water and tap water are regulated by different federal agencies: the Food and Drug Administration (FDA) regulates bottled water and the Environmental Protection Agency (EPA) regulates the quality of tap water. Under the Safe Drinking Water Act the EPA has set maximum contaminant levels for approximately 90 ...
Perfluorohexanesulfonic acid ( PFHxS) ( conjugate base perfluorohexanesulfonate) is a synthetic chemical compound. It is one of many compounds collectively known as per- and polyfluoroalkyl substances (PFASs). It is an anionic fluorosurfactant and a persistent organic pollutant with bioaccumulative properties.
The drinking of distilled water as a replacement for drinking water has been both advocated and discouraged for health reasons. Distilled water lacks minerals and ions, such as calcium, that play key roles in biological functions, such as in nervous system homeostasis, and are normally found in potable water. The lack of naturally occurring ...
The Stickney Water Reclamation Plant, serving metropolitan Chicago, is the largest sewage treatment plant in the world. A publicly owned treatment works (POTW) is a term used in the United States for a sewage treatment plant owned, and usually operated, by a government agency. In the U.S., POTWs are typically owned by local government agencies ...
Passed the Senate on May 16, 1961 ( 92-0) Signed into law by President John F. Kennedy on August 30, 1961. Oil Pollution Act of 1961, 33 U.S.C. Chapter 20 §§ 1001–1011, established judicial definitions and coastal prohibitions for the United States maritime industry. The Act invoked the accords of the International Convention for the ...
The Water Act 1989 (1989 c.15) is an Act of the Parliament of the United Kingdom that reorganised the bodies responsible for all aspects of water within England and Wales. . Whereas previous legislation, particularly the Water Act 1973, had focused on providing a single unifying body with responsibility for all water-related functions within a river basin or series of river basins, this ...
The supernatant water is then run back into the treatment process or disposed of as a waste-water stream. In some countries, the sludge may be used as a soil conditioner. Inadequate filter maintenance has been the cause of occasional drinking water contamination. Sand filters are occasionally used in the sewage treatment as a final polishing stage.
The Danish water supply is highly decentralized, with large and small waterworks situated all over the country. In 2001 there were 2740 "common utilities", of which municipalities owned 165 and 2575 were owned by consumers' co-operatives. Between 1980 and 2001, the number of utilities has been reduced by 29%.
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