News & Analysis as of

Water Quality Regulatory Requirements Environmental Protection Agency (EPA)

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,...

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

Latham & Watkins LLP on

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

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

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

Holland & Knight LLP

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

Holland & Knight LLP on

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

Tonkon Torp LLP

U.S. Supreme Court Ruling Will Make it Easier to Comply with NPDES Permits

Tonkon Torp LLP on

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

Alston & Bird

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

Alston & Bird on

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

BCLP

PFAS in Groundwater: State-by-state Regulations - November 2024

BCLP on

In the absence of federal cleanup standards for per- and polyfluoroalkyl substances (“PFAS”) in groundwater, several states have started the process of regulating PFAS in groundwater themselves. As a result, states have...more

Schwabe, Williamson & Wyatt PC

Navigating Regulatory Changes: The Ninth Circuit’s CAFO Ruling and Oregon’s New Rules for ‎CAFOs

The Ninth Circuit’s ruling provides temporary relief from new federal water regulations, but Oregon has introduced more stringent state rules with regard to CAFOs. Understanding these changes is vital to stay abreast of the...more

McNees Wallace & Nurick LLC

USEPA Promulgates PFAS Drinking Water Standards and Designates Two PFAS Substances As Hazardous Substances – What Does It Mean For...

In April, the Environmental Protection Agency (“USEPA”) took two actions regarding per- and polyfluoroalkyl substances (“PFAS”), or so-called “forever chemicals,” that could have far-ranging implications....more

Harris Beach Murtha PLLC

EPA Designates Two PFAS Substances as CERCLA Hazardous Substances

On April 19, 2024, just nine days after finalizing the first-ever national, legally enforceable drinking water standard for six individual per-and polyfluoroalkyl substances (PFAS), the Agency designated PFOA and PFOS, two...more

Downey Brand LLP

USEPA Requires Monitoring and Treatment to Limit and Reduce PFAS in Drinking Water

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Today, the U.S. Environmental Protection Agency (USEPA) announced the final National Primary Drinking Water Regulation establishing the first national legally enforceable drinking water standards (Maximum Contaminant Levels...more

Downey Brand LLP

EPA outlines key PFAS regulatory developments on the horizon

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During the early stages of the Biden administration, efforts to regulate per- and poly-fluoroalkyl substances, aka “PFAS,” were largely piecemeal and driven by various proposals in Congress. Last month, however, the U.S....more

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