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Clean Water Act › Pollution Control › Environmental Protection Agency (EPA)

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 -
Alston & Bird

Ninth Circuit Flags EPA’s Refusal to Revise Effluent Limitation Guidelines

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The Ninth Circuit has ruled that the Environmental Protection Agency (EPA) must reconsider its effluent limitation guidelines (ELGs) for seven industrial sectors. Our Environment, Land Use & Natural Resources Group examines...more

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SPCC Enforcement/Clean Water Act: U.S. Environmental Protection Agency and Tupelo, Mississippi Oil Storage Facility Owner Enter...

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The United States Environmental Protection Agency (“EPA”) Khera Petroleum, LLC (“KP”) entered into a June 11th Consent Agreement (“CA”) addressing alleged violations of the Clean Water Act Spill Prevention, Control, and...more

Stoel Rives LLP

Recent Ninth Circuit Decision Suggests Effluent Limitation Guidelines Across Multiple Industry Categories May Be Changing Soon

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In its recent decision in Waterkeeper Alliance v. U.S. Environmental Protection Agency, No. 23-636 (9th Cir. June 18, 2025), the Ninth Circuit Court of Appeals held that the Environmental Protection Agency (EPA) failed to...more

Foley Hoag LLP - Environmental Law

Superfund May Be Fundamentally Broken, But That Doesn't Mean that It Can't Be Improved

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Because the risks posed by superfund sites pale in comparison to the risks posed by air pollution and broader water pollution issues regulated under the Clean Water Act, I have been and remain deeply skeptical of the Trump...more

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Effluent Guidelines/Clean Water Act: Federal Appellate Court Addresses Argument that United States Environmental Protection Agency...

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The United States Court of Appeals for the Ninth Circuit (“Ninth Circuit”) addressed in a June 18th Opinion an issue involving the Clean Water Act Effluent Limit Guidelines (“ELGs”). See Waterkeeper Alliance, et al., v....more

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2026 NPDES Multi-Sector General Permit for Stormwater Discharges: Steel Manufacturers Association Comments on Proposed Federal...

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The Steel Manufacturers Association (“SMA”) submitted May 19th comments to the United States Environmental Protection Agency (“EPA”) addressing: Proposed 2026 Multi-Sector General Permit for Stormwater Discharges...more

Greenberg Glusker LLP

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

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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

Beveridge & Diamond PC

EPA Proposes Updated General Clean Water Act Industrial and Construction Permits (Updated)

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Key Takeaways - What Happened? The U.S. Environmental Protection Agency (EPA) proposed the 2026 version of the National Pollutant Discharge Elimination System (NPDES) MSGP for stormwater discharges associated with...more

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Applying Mussels Absent Ammonia Criteria: Missouri Department of Natural Resources Public Notices Draft Procedure

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The Missouri Department of Natural Resources (“MDNR”) is holding on April 10th a Water Quality Standards (“WQS”) Workgroup meeting to consider (among other things): Draft Procedure for applying mussels absent ammonia...more

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2022 Triennial Review/Arkansas Water Quality Standards: U.S. Environmental Protection Agency March 27th Letter Approving 2022...

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The Region 6 Office of the United States Environmental Protection Agency (“EPA”) sent a March 27th letter to Stacie Wassell, Associate Director for the Office of Water Quality at the Arkansas Department of Energy and...more

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Association of Clean Water Administrators: FY 2025 Congressional Funding Chart Update

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The Association of Clean Water Administrators (“ACWA”) issued an FY 2025 Funding Chart Update (“Update”). The Update is stated to reflect the: …FY 2025 “Full-Year Continuing Appropriations and Extensions Act, 2025”...more

J.S. Held

PFAS Monitoring Requirements and Stormwater Pollution Prevention Under the 2026 NPDES Permit

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On December 13, 2024, the United States Environmental Protection Agency (EPA) published a request for public comment for the 2026 National Pollutant Discharge Elimination System (NPDES) general permit for stormwater...more

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Stormwater Enforcement: U.S. Environmental Protection Agency and Auburn, Washington Wood Pallet Manufacturing Facility Enter into...

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The United States Environmental Protection Agency (“EPA”) and A-1 Pallets, Inc. (“A-1”) entered into a February 13th Consent Agreement (“CA”) alleging violations of the Clean Water Act National Pollutant Discharge Elimination...more

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Phosphoric Acid Production Waste/Federal Court Petition for Writ of Mandamus: Center for Biological Diversity Seeks U.S....

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The Center for Biological Diversity and other organizations filed a March 10th Petition for Writ of Mandamus (“Petition”) before the United States Court of Appeals for the District of Columbia Circuit asking that the United...more

Farella Braun + Martel LLP

Comment Period Closing in 30 Days (April 16) on Federal PFOA/PFOS Risk Assessment for Sewage Sludge Applied to Agricultural Land...

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Interested parties—including businesses raising crops or animals on agricultural and ranch lands potentially impacted by PFAS in groundwater; entities operating wastewater treatment plants (WWTPs); and related interest groups...more

Latham & Watkins LLP

Supreme Court Waves Goodbye to Clean Water Act End-Result Requirements

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The landmark decision alters the NPDES permit landscape, shifting the focus to specific actions over general outcomes....more

Perkins Coie

San Francisco v. EPA: Supreme Court Decides Clean Water Act Permits May Not Include Receiving Water Limits

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In City and County of San Francisco v. Environmental Protection Agency, 604 U.S. ___, 145 S. Ct. 704 (2025), in a 5-4 decision issued on March 4, the Supreme Court of the United States struck down two provisions in San...more

Allen Matkins

California Environmental Law & Policy Update 3.14.25

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The U.S. Environmental Protection Agency (EPA) announced this Wednesday that it will narrow the definition of waters that can be federally regulated to comply with the Supreme Court's 2023 Sackett v. EPA ruling. This...more

Morgan Lewis

In Yet Another Decision Restricting EPA Authority, US Supreme Court Holds EPA Cannot Set CWA Permit Limits

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The US Supreme Court held in City and County of San Francisco v. EPA that the US Environmental Protection Agency lacks authority under the Clean Water Act to include “end-result” limitations in National Pollutant Discharge...more

Snell & Wilmer

Federal Agencies to Revise Waters of the United States Rule

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The Waters of the United States (WOTUS) Rule is an ongoing conundrum to all those subject to it, most especially in trying to ascertain exactly which water ways qualify under the Rule. The U.S. Environmental Protection Agency...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

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

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

Holland & Hart LLP

Supreme Court Invalidates "End-Result" Provisions in Clean Water Act Discharge Permits

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The U.S. Supreme Court last week, in a 5-4 decision, held that discharge permit “end-result” requirements—those that make a permittee responsible for the quality of the receiving water into which the permittee discharges—are...more

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