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Regulatory Authority NPDES Enforcement Actions

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

DLA Piper

Supreme Court Limits EPA's Permitting Authority Under the Clean Water Act

DLA Piper on

The Supreme Court recently ruled that the Clean Water Act (CWA) does not authorize the Environmental Protection Agency (EPA) to impose “generic” or “end-result” prohibitions in National Pollutant Discharge Elimination System...more

Allen Matkins

California Environmental Law & Policy Update 3.7.25

Allen Matkins on

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

Goldberg Segalla

Supreme Court Requires EPA to Set Specific Targets in Water Permits

Goldberg Segalla on

The U.S. Supreme Court on Tuesday, in San Francisco v. EPA, held in a 5-4 decision that the EPA cannot enforce requirements in wastewater permits that “do not spell out what a permittee must do or refrain from doing.” San...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

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