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Clean Water Act › Permits › NPDES

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 -
McGlinchey Stafford

Supreme Court’s Cert Denials Pave Way for Surge in Environmental Citizen Suits

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In a significant victory for environmental advocacy groups, the Supreme Court’s refusal on June 30, 2025 to grant certiorari in two pivotal cases (Port of Tacoma, et al. v. Puget Soundkeeper Alliance and ExxonMobil Corp., et...more

Allen Matkins

Citizen Suit Enforcement Under the Industrial General Permit: How Businesses Can Avoid Substantial Costs Associated with Notice...

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Each year, many California businesses receive letters from private entities, typically environmental nongovernmental organizations (Citizen Groups), alleging that those businesses’ facilities are in violation of applicable...more

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

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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

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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

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

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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

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

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Stormwater Enforcement: Mississippi Commission on Environmental Quality and Tupelo Construction Project Owner Enter into Agreed...

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The Mississippi Commission on Environmental Quality (“MCEQ”) and JS, LLC (“JS”) entered into a February 19th Agreed Order (“AO”) addressing alleged violations of a Construction Stormwater General Permit. See Order No. 7459...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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Wastewater Enforcement: Arkansas Department of Energy and Environment - Division of Environmental Quality and City of Patterson...

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The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and City of Patterson, Arkansas entered into a March 10th Consent Administrative Order (“CAO”) addressing alleged violations of the...more

Williams Mullen

Clean Water Act: The End of “End-Result” Permitting

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The Supreme Court of the United States’ recent Clean Water Act decision in City of San Francisco v. EPA has sent shockwaves through the environmental community by prohibiting EPA and state agencies’ common practice of...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

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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Wastewater Enforcement: Arkansas Department of Energy and Environment - Division of Environmental Quality and City of London Enter...

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The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and City of London, Arkansas entered into a February 25th Consent Administrative Order (“CAO”) addressing alleged violations of a...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

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Wastewater Enforcement: Arkansas Department of Energy and Environment - Division of Environmental Quality and U.S. Army Corps of...

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The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and the U.S. Army Corps of Engineers (“Corps”) entered into a January 23rd Consent Administrative Order (“CAO”) addressing alleged...more

Clark Hill PLC

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

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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

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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

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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

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

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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

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