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 the permit authorizes discharge into, rather than specific limits on the permittee’s discharge itself....
By: Kelley Drye & Warren LLP

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