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Pollution Control Constitutional Challenges NPDES

Kelley Drye & Warren LLP

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

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

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

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