News & Analysis as of

Environmental Protection Agency (EPA) NPDES

Mitchell, Williams, Selig, Gates & Woodyard,...

2026 Multi-Sector General Permit for Industrial Stormwater Discharges: National Municipal Stormwater Alliance Comments Addressing...

The National Municipal Stormwater Alliance (“NMSA”) submitted April 4th comments to the United States Environmental Protection Agency (“EPA”) addressing the proposed Clean Water Act National Pollutant Discharge Elimination...more

Mitchell, Williams, Selig, Gates & Woodyard,...

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

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

Mitchell, Williams, Selig, Gates & Woodyard,...

Stormwater/2026 NPDES Multi-Sector General Permit for Industrial Discharges: Airports Council International Comments on Proposed...

The Airports Council International – North America (“ACI”) submitted May 19th comments to the United State Environmental Protection Agency (“EPA”) regarding the proposed Multi-Sector General Permit (“MSGP”) for stormwater...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

Nossaman LLP

The End of “End-Result” Permit Limitations in Clean Water Act Permits

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On March 4, 2025, the U.S. Supreme Court issued its opinion in the case City and County of San Francisco v. Environmental Protection Agency, in which it held that “end-result” requirements routinely imposed by the U.S....more

Mitchell, Williams, Selig, Gates & Woodyard,...

Waters of the United States/Clean Water Act: Association of Clean Water Administrators Comments Addressing Potential Revisions

The Association of Clean Water Administrators (“ACWA”) submitted May 15th comments to the Untied States Environmental Protection Agency and U.S. Army Corps of Engineers ( collectively, “EPA”) regarding potential revisions to...more

Nossaman LLP

Rewriting the Rules: The Supreme Court's Landmark Decision on Clean Water Act Permits

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In this episode of Digging Into Land Use Law, Byron Gee, Willis Hon and Sara Johnson review in detail the recent Supreme Court opinion in City and County of San Francisco vs. EPA and its implications for Clean Water Act...more

Beveridge & Diamond PC

One of EPA’s First Attempts to Implement San Franscico v. EPA: Modifications to EPA’s 2022 Construction General Permit

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Key Takeaways - What Happened? The U.S. Environmental Protection Agency (EPA) issued a final modification to its 2022 Construction General Permit (CGP) to expand the list of areas eligible for coverage to include...more

Bricker Graydon LLP

Supreme Court Limits EPA Permitting Authority in City and County of San Fran v. US EPA

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On March 4, 2025, the U.S. Supreme Court issued a 5-4 opinion in City and County of San Francisco v. Environmental Protection Agency, holding that “end-result” requirements routinely imposed by the EPA in NPDES permits issued...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

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

J.S. Held

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

J.S. Held on

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

Mitchell, Williams, Selig, Gates & Woodyard,...

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

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

Latham & Watkins LLP

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

Latham & Watkins LLP on

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

Perkins Coie on

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

Morgan Lewis

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

Morgan Lewis on

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

Clark Hill PLC

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

Clark Hill PLC on

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

Jones Day on

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

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

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

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

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

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