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Clean Water Act › National Ambient Air Quality Standards › Air Quality Standards

The Clean Water Act is a United States federal statute enacted in 1972 to reduce levels of toxic substances in the nation's water supply and to prevent high levels of new contamination.  The CWA seeks to... more +
The Clean Water Act is a United States federal statute enacted in 1972 to reduce levels of toxic substances in the nation's water supply and to prevent high levels of new contamination.  The CWA seeks to accomplish its stated goals by preventing point and nonpoint pollution sources, assisting wastewater treatment facilities and maintaining wetlands. less -
Williams Mullen

Environmental Notes - April 2025

Williams Mullen on

Under the Clean Air Act, sources frequently must undergo “New Source Review” (NSR) permitting, which is a pre-construction permitting program. NSR establishes requirements for new or modified sources prior to initiating...more

Morgan Lewis

EPA Issues ‘Good Neighbor’ Plan Addressing Interstate Transport Obligations

Morgan Lewis on

A recent US Environmental Protection Agency final rule seeks to ensure that nearly two dozen states reduce emissions from power plants and other industrial sources that contribute to challenges attaining and maintaining air...more

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