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Clean Water Act › California › NPDES

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 -
Allen Matkins

Citizen Suit Enforcement Under the Industrial General Permit: How Businesses Can Avoid Substantial Costs Associated with Notice...

Allen Matkins on

Each year, many California businesses receive letters from private entities, typically environmental nongovernmental organizations (Citizen Groups), alleging that those businesses’ facilities are in violation of applicable...more

Nossaman LLP

The End of “End-Result” Permit Limitations in Clean Water Act Permits

Nossaman LLP on

On March 4, 2025, the U.S. Supreme Court issued its opinion in the case City and County of San Francisco v. Environmental Protection Agency, in which it held that “end-result” requirements routinely imposed by the U.S....more

Jones Day

U.S. Supreme Court Limits EPA Clean Water Act Permitting Authority

Jones Day on

On March 4, 2025, the Supreme Court of the United States issued its decision in City & County of San Francisco v. Environmental Protection Agency and clarified the U.S. Environmental Protection Agency's ("EPA") and state...more

Kelley Drye & Warren LLP

Supreme Court Strikes Down ​“End-Result” Requirements in NPDES Permits

Kelley Drye & Warren LLP on

On March 4, 2025, the U.S. Supreme Court issued a ruling that prohibits the U.S. Environmental Protection Agency (“EPA” or ​“the Agency”) from setting qualitative limits based on the condition of the ​“receiving waters” that...more

Allen Matkins

California Environmental Law & Policy Update 3.7.25

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On Tuesday, in a 5-4 opinion authored by Justice Samuel Alioto, the U.S. Supreme Court issued a pivotal ruling that the Clean Water Act (CWA) provisions authorizing the U.S. Environmental Protection Agency (EPA) to impose...more

Allen Matkins

Supreme Court Says EPA has no Authority to Impose “End-Result” Requirements in Clean Water Act Permits

Allen Matkins on

On Tuesday, March 4, 2025, the Supreme Court issued an opinion in City and County of San Francisco, California v. Environmental Protection Agency, U.S. No. 23-753 in which the City and County of San Francisco (San Francisco)...more

Jackson Walker

U.S. Supreme Court Limits EPA’s Wastewater Permitting Authority in Major Clean Water Act Decision

Jackson Walker on

On March 4, 2025, the United States Supreme Court issued a decision in City and County of San Francisco v. Environmental Protection Agency[i], which restricted the scope of the Environmental Protection Agency’s (“EPA”)...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Generic Prohibitions/NPDES Permits/Water Quality Standards: United States Supreme Court Decides City/County of San Francisco v....

Mitchell, Williams, Selig, Gates & Woodyard,... on

The Supreme Court of the United States (“Court”) issued an Opinion on March 4th in the case styled: City and County of San Francisco, California v. Environmental Protection Agency. See No. 23-753....more

Tonkon Torp LLP

U.S. Supreme Court Ruling Will Make it Easier to Comply with NPDES Permits

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On March 4, 2025 the Supreme Court overturned the 9th Circuit to rule in favor of the City of San Francisco in a landmark Clean Water Act case. The EPA authorizes states to issue National Pollutant Discharge Elimination...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Citizen Suit Enforcement/Clean Water Act: Environment California Files Judicial Action Against Port of Los Angeles

Mitchell, Williams, Selig, Gates & Woodyard,... on

Environment California (“EC”) filed a July 23rd United States District Court (Central District of California) Clean Water Act citizen suit action against the Port of Los Angeles (“Port”) for alleged violations. See case No....more

Foley & Lardner LLP

Part One – Air, Water, California Proposition 65, and Cannabis

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Cannabis growing and processing operations face increasing regulatory pressure to assess and reduce their environmental impacts – especially in the areas of water quality, air emissions, energy use and sustainability,...more

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