News & Analysis as of

Water Quality Supreme Court of the United States Regulatory Authority

Tonkon Torp LLP

U.S. Supreme Court Limits EPA Discretion in Landmark NPDES Permit Decision

Tonkon Torp LLP on

The Supreme Court’s recent decision in City and County of San Francisco v. Environmental Protection Agency, (EPA) 604 U.S. ____ (2025) significantly alters the regulatory landscape for NPDES permits under the Clean Water Act...more

Greenberg Glusker LLP

Supreme Court Narrows EPA’s Authority to Set Limitations in Clean Water Act Permits

Greenberg Glusker LLP on

On March 4, 2025, the Supreme Court issued its opinion in City and County of San Francisco v. Environmental Protection Agency, holding that EPA does not have the authority to issue “end-result” requirements in National...more

Dickinson Wright

Supreme Court Limits EPA's Power Over NPDES Water Permits

Dickinson Wright on

In a much-anticipated decision, the U.S. Supreme Court significantly narrowed the EPA's authority under the Clean Water Act (CWA) to impose so-called "end-result" requirements in NPDES permits. These "end-result" requirements...more

WilmerHale

San Francisco v. EPA: Impact on Clean Water Act Permittees

WilmerHale on

On Tuesday, March 4, the United States Supreme Court issued a major decision limiting the scope of the Environmental Protection Agency’s (EPA) authority under the Clean Water Act (CWA) as relates to permits governing...more

Stinson LLP

Supreme Court Rules for Permit Holders on Age-Old CWA Dispute

Stinson LLP on

In a 5-4 ruling on March 4, the U.S. Supreme Court held that the Environmental Protection Agency (EPA) lacks authority to impose Clean Water Act (CWA) conditions in National Pollutant Discharge Elimination System (NPDES)...more

Holland & Knight LLP

In San Francisco v. EPA, Supreme Court Continues Its "Righting" of the Clean Water Act

Holland & Knight LLP on

With its opinion in San Francisco v. EPA, the U.S. Supreme Court has again acted to "right" the implementation of the federal Clean Water Act by overturning a U.S. Court of Appeals for the Ninth Circuit interpretation of the...more

Foley Hoag LLP - Environmental Law

EPA Proposes A Section 401 “Improvement Rule” — Now That’s a Low Bar

Last week, EPA released its proposed “Clean Water Act Section 401 Water Quality Certification Improvement Rule”. The proposed rule would make a number of significant changes to the rule promulgated by EPA in 2020....more

Hicks Johnson

Oklahoma Oil and Gas Business Braces for Change in Wake of Supreme Court Decision

Hicks Johnson on

On July 9, 2020, the Supreme Court issued its opinion in McGirt v. Oklahoma, ruling that most of the eastern half of Oklahoma is an Indian reservation. While the decision ostensibly resolves a jurisdictional challenge to a...more

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