News & Analysis as of

Environmental Protection Agency (EPA) Water Quality

Tonkon Torp LLP

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

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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

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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

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

Section 401/Clean Water Act: U.S. Environmental Protection Agency Issues Memorandum Addressing Scope of the Certification Process

The United States Environmental Protection Agency (“EPA”) issued a May 21st memorandum titled” Clarification regarding the Application of Clean Water Act Section 401 Certification (“Memorandum”)....more

Ballard Spahr LLP

PFAS in Biosolids: Washington State Adopts Testing Requirement

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Washington state has joined the growing list of states addressing the presence of per- and polyfluoroalkyl substances (PFAS), commonly known as “forever chemicals,” in biosolids that are widely used in farming. With Governor...more

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

100 Days/U.S. EPA cites 100 Environmental Accomplishments: Approval of Arkansas Water Quality Standards is Listed as Number Four

The United States Environmental Protection Agency (“EPA”) issued a news release titled: 100 Days, 100 Environmental Accomplishments. The news release stated that the Trump Administration has: …wasted no time...more

Pillsbury - Gravel2Gavel Construction & Real...

Environmental Update: Regulatory Notes – April 2025

April has proven a busy month for environmental issues when it comes to the regulatory arena. Below are just a few of the notable developments:...more

Dickinson Wright

Supreme Court Limits EPA's Power Over NPDES Water Permits

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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

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

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

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

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

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

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

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

Upper White River Watershed Management Plan: H2Ozarks Announces Extension of Comment Period

H2Ozarks announced that the public comment period has been extended through April 22nd for the Upper White River Watershed Management Plan (“Plan”). The organization states that it is seeking community feedback to “ensure...more

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

Citizen Suit Action/ Clean Water Act: Environmental Defense Alliance Notice of Intent to Sue U.S. Environmental Protection Agency...

Mr. David A. Ludder Transmitted a February 7th document to the United States Environmental Protection Agency (“EPA”) styled: Notice of Intent to Sue Administrator under Clean Water Act §505(a)2,33U.S.C. §1365 (a)2....more

Womble Bond Dickinson

The US Uranium Dilemma: Domestic Production Challenges in an Era of Growing Nuclear Energy Demand

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The US has a massive disparity between domestic uranium production and demand, highlighting a critical dependency on foreign sources, particularly as nuclear energy development is expected to increase. Recent federal public...more

Harris Beach Murtha PLLC

Supreme Court Ruling on EPA Water Permits

The United States Supreme Court has issued a significant ruling in the case of San Francisco v. EPA, directing the Environmental Protection Agency (EPA) to retool its wastewater permitting process under the Clean Water Act....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

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

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

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

Nossaman LLP

City and County of San Francisco vs. EPA: Implications for Clean Water Act Permittees

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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

Stinson LLP

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

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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

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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

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

Generic Prohibitions/NPDES Permits/Water Quality Standards: United States Supreme Court Decides City/County of San Francisco v....

The Supreme Court of the United States (“Court”) issued an Opinion on March 4th in the case styled: City and County of San Francisco, California v. Environmental Protection Agency. See No. 23-753....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

MG+M The Law Firm

The Withdrawal of PFAS Effluent Limits: Implications for Federal Environmental Regulation and Biosolids Management

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The regulation of per- and polyfluoroalkyl substances (PFAS) remains a critical issue in US environmental policy, with significant implications for water quality, biosolids management and state-level regulatory authority. On...more

Alston & Bird

PFAS Primer Quarterly Update: 2024 Q4 – Setting the PFAS Standard

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In the latest edition of the PFAS Primer Quarterly Update, our roundup of regulatory, litigation, and scientific actions involving PFAS, the EPA drafts recommended PFAS levels for water quality, California’s Department of...more

Lippes Mathias LLP

EPA Withdraws Proposed Rule to Implement Federal Water Quality Standards on Tribal Lands

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On January 10, 2025, the U.S. Environmental Protection Agency (EPA) announced the withdrawal of a proposed rule (the “Proposed Rule”) it had promulgated on May 5, 2023, which would have established federal Clean Water Act...more

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