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Clean Water Act › Supreme Court of the United States › Environmental Policies

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 -
Latham & Watkins LLP

Trump Administration Pursues Deregulation in a Trio of Orders

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The orders span various sectors and aim to introduce sunset provisions into regulations and eliminate regulations deemed unlawful or anti-competitive....more

Troutman Pepper Locke

White House Issues Memorandum Directing Federal Agencies to Repeal Regulations Deemed to be Unlawful Pursuant to Recent U.S....

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On April 9, the White House issued a memorandum directing federal executive departments and agencies to repeal regulations deemed unlawful pursuant to certain U.S. Supreme Court decisions. This directive aims to address...more

Brownstein Hyatt Farber Schreck

On WOTUS Notice: EPA Gives Notice of Yet Another Clean Water Act Rule

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The Agency Is Looking to Sackett v. EPA for a More ‘Durable’ Definition - From Obama to Trump to Biden, each of the last three administrations has directed the United States Environmental Protection Agency (“EPA”) to...more

Goldberg Segalla

New Guidance for Defining the ‘Waters of the United States’

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The Environmental Protection Agency announced March 10 it will be revising the definition for the Waters of the United States Rule (WOTUS). In a news release it said, “[t]he agencies will move quickly to ensure that a revised...more

Clark Hill PLC

San Francisco v. EPA Brings the End of “End Result” NPDES Permit Requirements

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In its recent decision in San Francisco v. EPA, the U.S. Supreme Court overturned a Ninth Circuit interpretation of the Clean Water Act (“CWA”), the second case in just two years where the Court has disagreed with the EPA’s...more

Jones Day

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

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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

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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

Roetzel & Andress

U.S. Supreme Court Narrows NPDES Permit Requirements in San Francisco v. EPA

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On March 4th, the U.S. Supreme Court held that the Environmental Protection Agency (EPA) lacks the authority under the federal Clean Water Act (CWA) to include “end-result requirements” in wastewater and storm water discharge...more

Brownstein Hyatt Farber Schreck

Supreme Court Makes Waves In San Francisco Ruling

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When the Supreme Court issued its decision in City & County of San Francisco v. EPA on March 4, 2025, it may have saved San Francisco $10 billion dollars in penalties sought by the United States Environmental Protection...more

BakerHostetler

Supreme Court Invalidates Certain ‘Narrative’ Water Quality Limitations in NPDES Permits

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On March 4, the U.S. Supreme Court (“SCOTUS” or the “Court”) issued a decision in San Francisco v. EPA that invalidated certain “end-result” water quality limitations in NPDES permits — specifically, those that “do not spell...more

Venable LLP

Textualism Is More Than Dictionaries: The Supreme Court's Latest Clean Water Act Decision Looks to History and Context

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When it rains too much in San Francisco, the city's wastewater treatment plant can get overloaded. An overloaded wastewater treatment plant means that a city-operated, EPA-permitted point source in the Pacific Ocean could...more

DLA Piper

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

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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

McGlinchey Stafford

SCOTUS Rolls Back EPA’s Permitting Authority under the CWA

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On March 4, 2025, the United States Supreme Court issued its ruling in City and County of San Francisco v. Environmental Protection Agency, limiting the U.S. Environmental Protection Agency (EPA)’s permitting authority under...more

Winstead PC

San Francisco v. EPA: Supreme Court Strikes Down EPA’s “End-Result” Permit Requirements

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On March 4, 2025, the U.S. Supreme Court issued a 5-4 decision in City and County of San Francisco v. Environmental Protection Agency, narrowing the Environmental Protection Agency’s (EPA) authority under the Clean Water Act...more

ArentFox Schiff

A Divided SCOTUS Invalidates Common Provisions of Clean Water Act Permits

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In the US Supreme Court’s first post-Chevron decision involving the US Environmental Protection Agency (EPA) the Supreme Court found against EPA, invalidating ‘end result’ NPDES permit requirements....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

Goldberg Segalla

Supreme Court Requires EPA to Set Specific Targets in Water Permits

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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

Stoel Rives - Environmental Law Blog

SCOTUS Strikes Down “End-Result” Limitations in NPDES Permits

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Whether issued by an authorized State or the Environmental Protection Agency (“EPA”), a National Pollutant Discharge Elimination System (“NPDES”) permit issued under the Clean Water Act allows a permittee to discharge...more

King & Spalding

Supreme Court Rules EPA’s Wastewater Discharge Permits May Not Include “End-Result” Provisions

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In an important environmental decision, the Supreme Court narrowed the range of discharge limitations under the Clean Water Act (“CWA”) for wastewater discharges. On March 4, 2025, the U.S. Supreme Court held the CWA does not...more

Holland & Knight LLP

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

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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

Dorsey & Whitney LLP

The Supreme Court Update - March 4, 2025

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The Supreme Court of the United States issued one decision today: City and County of San Francisco v. EPA, No. 23-753: This case concerns the interpretation of the federal Clean Water Act (“CWA”) and its National...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

Allen Matkins

California Environmental Law & Policy Update 2.7.25

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Newly-appointed U.S. Attorney General Pam Bondi wrote in a memo this Wednesday that the Justice Department will reverse a Biden-era directive to prioritize enforcement of environmental laws in disadvantaged and low-income...more

Brownstein Hyatt Farber Schreck

California’s ‘New’ Construction Stormwater General Permit—Time To Engage?

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On Aug. 28–29, 2024, approximately 50 people gathered at the University of California San Diego Extension to learn about the California State Water Resources Control Board’s (State Water Board) reissuance of the Construction...more

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