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Clean Water Act › Environmental Litigation › Regulatory Requirements

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 -
Beveridge & Diamond PC

Preparing for a Wave Citizen Suits: Five Key Strategies on the Diligent Prosecution Bar

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As earlier reported, environmental non-governmental organizations (eNGOs) have promised to pursue enforcement where the Biden EPA left off – they have the legal authority to do so under most environmental federal statutes and...more

Allen Matkins

California Environmental Law & Policy Update 6.6.25

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On May 29, 2025, the Supreme Court held that the National Environmental Policy Act (NEPA) — which requires federal agencies to analyze the environmental impacts of projects that they perform, fund, or approve — does not...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

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

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

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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

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

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

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

Bracewell LLP

EPA and the Army Make More Waves on WOTUS

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On March 12, the Environmental Protection Agency and the Office of the Assistant Secretary of the Army took steps to address lingering questions about the meaning and implementation of “waters of the United States” (WOTUS)...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

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

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

Faegre Drinker Biddle & Reath LLP

Supreme Court Decides City and County of San Francisco, California v. Environmental Protection Agency

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On March 3, 2025, the U.S. Supreme Court decided City and County of San Francisco, California v. Environmental Protection Agency, No. 23-753, holding that Section 1311(b)(1)(A) of the Clean Water Act does not authorize the...more

Jenner & Block

Earth Week 2024—Planet Versus Plastic—The Final Round—The Courts’ Referee Role

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As we wrap up our week-long celebration of Earth Day with insightful articles focusing on various aspects of plastic pollution, this final article focuses on how the courts are being asked to step into ring and referee the...more

Nossaman LLP

On-Demand Webinar | Regulatory Uncertainty and Linear Infrastructure Projects: Where Are We and What’s Ahead?

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From Executive Orders to court decisions, the environmental regulatory landscape seems to be changing from day to day. Many of the changes will increasingly have impacts on the timing, placement and cost of construction and...more

Nossaman LLP

[Webinar] Regulatory Uncertainty and Linear Infrastructure Projects: Where Are We and What’s Ahead? - September 1st, 1:00 pm -...

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From Executive Orders to court decisions, the environmental regulatory landscape seems to be changing from day to day. Many of the changes will increasingly have impacts on the timing, placement and cost of construction and...more

Nossaman LLP

On-Demand Webinar | Linear Infrastructure Redux: Adapting Your Projects to Meet the New Regulatory Climate

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Linear infrastructure projects, including oil and gas pipelines, electric transmission lines and transportation, have faced a number of regulatory challenges over the last year. Some of these challenges stem from changes in...more

Nossaman LLP

[Webinar] Linear Infrastructure Redux: Adapting Your Projects to Meet the New Regulatory Climate - June 15th, 11:00 am - 12:30 pm...

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Linear infrastructure projects, including oil and gas pipelines, electric transmission lines and transportation, have faced a number of regulatory challenges over the last year. Some of these challenges stem from changes in...more

McGlinchey Stafford

DOJ to Stop “Piling On” and “Overfiling” Under Clean Water Act

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Is federalism alive and well? Has the federal government decided to give up “piling on” and “overfiling” in environmental enforcement actions? It seems so. On July 27, 2020, in an effort to promote federalism, U.S. Department...more

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