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Clean Water Act of 1972

2 amendmentstracked · Side-by-side comparison of previous and amended text

View amendments for other laws:

Civil Rights Act of 1964Clean Air ActSocial Security Act of 1935Immigration and Nationality Act of 1965Internal Revenue CodeAmericans with Disabilities Act of 1990Voting Rights Act of 1965Fair Labor Standards Act of 1938Health Insurance Portability and Accountability Act of 1996Affordable Care Act of 2010Endangered Species Act of 1973Sherman Antitrust Act of 1890National Labor Relations Act of 1935Clean Water Act of 1972Freedom of Information Act of 1966Dodd-Frank Wall Street Reform Act of 2010USA PATRIOT Act of 2001Fair Housing Act of 1968Telecommunications Act of 1996Homestead Act of 1862GI Bill (Servicemen's Readjustment Act of 1944)
December 27, 1977

Clean Water Act of 1977 refined pollutant categories and established best available technology requirements.

Previous

All point sources of pollution must achieve effluent limitations based on best practicable technology by 1977.

Amended

Point sources must meet best available technology economically achievable (BAT) standards for toxic pollutants by 1984, with a new category of 'conventional pollutants' subject to best conventional technology (BCT) standards.

February 4, 1987

Water Quality Act of 1987 added nonpoint source pollution management and stormwater discharge regulations.

Previous

The Act primarily regulates point source discharges through the NPDES permit program.

Amended

States must develop nonpoint source management programs and assessment reports. Industrial and municipal stormwater discharges are added to the NPDES permit program, and the Construction Grants Program is replaced with the State Revolving Fund.