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Clean Water Act › NPDES › Enforcement Actions

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

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The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and City of Dermott entered into a February 26th Consent Administrative Order (“CAO”) addressing alleged violations of the Clean...more

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

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The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and City of Rison, Arkansas entered into a February 4th Consent Administrative Order (“CAO”) addressing alleged violations of a...more

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Stormwater Enforcement: U.S. Environmental Protection Agency and Middletown, Pennsylvania Scrap Recycler Enter Into Expedited...

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The United States Environmental Protection Agency (“EPA”) and Shemas Iron Works (“SIW”) entered into a June 30th Expedited Settlement Agreement (“ESA”) addressing alleged violations of the Clean Water Act. See Docket No.:...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

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

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

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The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and City of Atkins, Arkansas entered into a May 15th Consent Administrative Order (“CAO”) addressing alleged violations of a Clean...more

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Wastewater Enforcement: Arkansas Department of Energy and Environment - Division of Environmental Quality and Garland County...

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The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and Lakeside Gardens Horizontal Property Regime (“Lakeside”) entered into a February 4th Consent Administrative Order (“CAO”)...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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Wastewater Enforcement: Arkansas Department of Energy and Environment - Division of Environmental Quality and Randolph County...

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The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and Northeast Arkansas Public Water Authority (“Northeast”) entered into a March 10th Consent Administrative Order (“CAO”)...more

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Wastewater Enforcement: Arkansas Department of Energy and Environment - Division of Environmental Quality and Van Buren Wastewater...

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The Arkansas Department of Energy and Environment - Division of Environmental Quality (“DEQ”) and City of Van Buren Municipal Utilities (“Van Buren”) entered into a February 4th Consent Administrative Order (“CAO”) addressing...more

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Wastewater Enforcement: Arkansas Department of Energy and Environment - Division of Environmental Quality and Saline County...

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The Arkansas Department of Energy and Environment – Division of Environmental Quality (“DEQ”) and Pinewood Wastewater, LLC (“Pinewood”) entered into an April 9th Consent Administrative Order (“CAO”) addressing alleged...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

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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

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Wastewater Enforcement: Arkansas Department of Energy and Environment - Division of Environmental Quality and Saline County...

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

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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

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

DLA Piper

Supreme Court Limits EPA's Permitting Authority Under the Clean Water Act

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The Supreme Court recently ruled that the Clean Water Act (CWA) does not authorize the Environmental Protection Agency (EPA) to impose “generic” or “end-result” prohibitions in National Pollutant Discharge Elimination System...more

Allen Matkins

California Environmental Law & Policy Update 3.7.25

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On Tuesday, in a 5-4 opinion authored by Justice Samuel Alioto, the U.S. Supreme Court issued a pivotal ruling that the Clean Water Act (CWA) provisions authorizing the U.S. Environmental Protection Agency (EPA) to impose...more

Goldberg Segalla

Supreme Court Requires EPA to Set Specific Targets in Water Permits

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The U.S. Supreme Court on Tuesday, in San Francisco v. EPA, held in a 5-4 decision that the EPA cannot enforce requirements in wastewater permits that “do not spell out what a permittee must do or refrain from doing.” San...more

Stoel Rives - Environmental Law Blog

SCOTUS Strikes Down “End-Result” Limitations in NPDES Permits

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Whether issued by an authorized State or the Environmental Protection Agency (“EPA”), a National Pollutant Discharge Elimination System (“NPDES”) permit issued under the Clean Water Act allows a permittee to discharge...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

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

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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

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