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Clean Water Act › Environmental Litigation

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 -
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Citizen Suit Action/Clean Water Act/RCRA: Federal Court Addresses Jurisdictional Issues

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The United States District Court for the Middle District of Tennessee (“Court”) in a March 6th Opinion addressed an issue arising out of a citizen suit action filed under the Clean Water Act, 33 U.S.C. §§ 1251-1389 (“CWA”)...more

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Citizen Suit Enforcement/Clean Water Act: Environmental Organizations Challenge Approval of Western Lake Eerie TMDL

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Waterkeeper Alliance, Lake Eerie Waterkeeper, and Food & Water Watch (collectively, “Waterkeeper”) filed a Complaint in the United States District Court for the Northern District of Ohio (“Court”) against the United States...more

ArentFox Schiff

Top 3 Supreme Court Environmental and Administrative Trends of 2025

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Within this term, the US Supreme Court’s major environmental and administrative focus was on statutory text in its environmental and administrative decisions....more

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Citizen Suit Enforcement/Clean Water Act: Trump Tower (Chicago) Enters into Consent Order with Environmental Organizations...

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The Illinois Attorney General along with the Sierra Club and Friends of the Chicago River entered into a Consent Order (“CO”) with 401 North Wabash Venture, LLC d/b/a Trump International Hotel & Tower (“Trump Tower”)...more

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

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Flood Project Challenge/Clean Water Act/National Environmental Policy Act: Federal Appellate Court Addresses Standing Issue

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The United States Circuit Court of Appeals for the Fifth Circuit (“Fifth Circuit”) addressed in a December 24th, 2024 Opinion a challenge to a United States Army Corps of Engineers (“Corps”) project alleging violations of the...more

Holland & Hart LLP

Supreme Court Declines to Limit Environmental Citizen Suits

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On June 30, 2025, the Supreme Court denied industry group petitions to review and reverse two cases—one out of the Fifth Circuit and the other out of the Ninth Circuit—that could have significantly restricted the ability of...more

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

Stoel Rives LLP

Recent Ninth Circuit Decision Suggests Effluent Limitation Guidelines Across Multiple Industry Categories May Be Changing Soon

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In its recent decision in Waterkeeper Alliance v. U.S. Environmental Protection Agency, No. 23-636 (9th Cir. June 18, 2025), the Ninth Circuit Court of Appeals held that the Environmental Protection Agency (EPA) failed to...more

Beveridge & Diamond PC

Clean Water Act Citizen Suits in the Spotlight: Solicitor General Calls for Supreme Court Review (Updated)

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This alert was originally published on June 3, 2025, and has been revised based on recent developments. Update: On June 30, 2025, the U.S. Supreme Court denied certiorari Port of Tacoma v. Puget Soundkeeper Alliance, No....more

Foley Hoag LLP - Environmental Law

Superfund May Be Fundamentally Broken, But That Doesn't Mean that It Can't Be Improved

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Because the risks posed by superfund sites pale in comparison to the risks posed by air pollution and broader water pollution issues regulated under the Clean Water Act, I have been and remain deeply skeptical of the Trump...more

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Underground Injection Control: U.S. EPA Environmental Appeals Board Petition for Review Filed Challenging Three Michigan Brine...

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Flow Water Advocates (“FWA”) filed a pleading before the United States Environmental Protection Agency (“EPA”) Environmental Appeals Board styled: PETITION FOR REVIEW OF UNDERGROUND INJECTION CONTROL PERMITS ISSUED AND...more

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Citizen Suit Action/Clean Water Act: Two California Municipalities' Motion Alleges Spoilation of Laboratory Data by Environmental...

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The Towns of Sunnyvale and Mountain View, California (collectively, “Cities”) filed a January 17th Pleading against San Francisco Baykeeper (“Baykeeper”) styled: Defendants’ Motion for Sanctions for Spoilation of...more

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Effluent Guidelines/Clean Water Act: Federal Appellate Court Addresses Argument that United States Environmental Protection Agency...

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The United States Court of Appeals for the Ninth Circuit (“Ninth Circuit”) addressed in a June 18th Opinion an issue involving the Clean Water Act Effluent Limit Guidelines (“ELGs”). See Waterkeeper Alliance, et al., v....more

Vinson & Elkins LLP

Dredging Ahead: Army Corps Proposes to Reissue Nationwide Permits

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The federal government is continuing to implement President Donald Trump’s Unleashing American Energy mandate to promote domestic energy and infrastructure projects. On June 18, 2025, the U.S. Army Corps of Engineers...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

K&L Gates LLP

Course Correction: Supreme Court Steers Toward Greater Predictability in NEPA Reviews

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On 29 May 2025, the Supreme Court unanimously declared that a “course correction” was needed for cases under the National Environmental Policy Act (NEPA), holding that a law originally meant to be a procedural check to inform...more

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Waters of the United States/Clean Water Act: Associated General Contractors of America Comments Addressing Potential Revisions

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The Association of General Contractors of America (“AGC”) submitted April 23rd comments to the United States Environmental Protection Agency and U.S. Army Corps of Engineers (“collectively, “EPA”) regarding potential...more

Perkins Coie

DOI Exercises Authority Under Novel Emergency Authorities To Approve Uranium Mine

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Key Takeaways - -The Department of the Interior approved the reactivation of the Velvet-Wood uranium and vanadium mine using new emergency procedures issued pursuant to President Trump’s Executive Order 14156, which declared...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

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

Beveridge & Diamond PC

Clean Water Act Citizen Suits in the Spotlight: Solicitor General Calls for Supreme Court Review

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Key Takeaways - Federal citizen suits are likely to become more frequent as the federal government decreases its enforcement efforts. Federal courts are split on whether Clean Water Act (CWA) citizen suits can enforce...more

Troutman Pepper Locke

Fifteen States Sue the Trump Administration Over “Energy Emergency” Executive Order

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On May 9, 2025, fifteen democratic states (“Plaintiff States”) sued the Trump Administration in Washington District Court, claiming that President Trump’s executive order “Declaring a National Energy Emergency” (“Executive...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

Litigation Targeting Plastics Manufacturers

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As we continue to see a rise in litigation related to plastic pollution, plastic manufacturers must remain prepared and should carefully follow the different kinds of claims to see which ones are ultimately more successful....more

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