Clean Water Act Citizen Suits Cases

Explore 4 court opinions on Clean Water Act Citizen Suits. AI-powered plain English summaries, key holdings, and legal analysis.

4 recent cases analyzed in this topic area.

Courts Deciding Clean Water Act Citizen Suits Cases

ca9 (3)ca8 (1)

Recent Clean Water Act Citizen Suits Opinions (4)

San Luis Obispo Coastkeeper v. County of San Luis Obispo

Ninth Circuit Clarifies Point Source Discharge Under Clean Water Act

ca9 · 2025-12-03 · Defendant Win · Impact: 45/100

San Luis Obispo Coastkeeper v. County of San Luis Obispo, decided by Ninth Circuit on December 3, 2025, resulted in a defendant win outcome. The Ninth Circuit affirmed the district court's dismissal o...

Denali Summit, LLC v. Union Electric Company

Eighth Circuit Affirms Summary Judgment in Clean Water Act Citizen Suit

ca8 · 2025-10-27 · Defendant Win · Impact: 25/100

Denali Summit, LLC v. Union Electric Company, decided by Eighth Circuit on October 27, 2025, resulted in a defendant win outcome. The Eighth Circuit affirmed the district court's grant of summary judg...

Confederated Tribes of the Colville Reservation v. Teck Cominco Metals Ltd

Ninth Circuit: CERCLA and CWA do not apply extraterritorially without clear intent

ca9 · 2025-09-03 · Defendant Win · Impact: 75/100

Confederated Tribes of the Colville Reservation v. Teck Cominco Metals Ltd, decided by Ninth Circuit on September 3, 2025, resulted in a defendant win outcome. The Confederated Tribes of the Colville ...

State of Montana v. Talen Montana, LLC

Ninth Circuit: No CWA violation without proof of pollutant "addition" from point source

ca9 · 2025-03-04 · Defendant Win · Impact: 65/100

State of Montana v. Talen Montana, LLC, decided by Ninth Circuit on March 4, 2025, resulted in a defendant win outcome. The Ninth Circuit affirmed the district court's dismissal of a Clean Water Act l...

Clean Water Act Citizen Suits by Court

Supreme CourtFirst CircuitSecond CircuitThird CircuitFourth CircuitFifth CircuitSixth CircuitSeventh CircuitEighth CircuitNinth CircuitTenth CircuitEleventh CircuitD.C. CircuitFederal Circuit

Clean Water Act Citizen Suits by State

CaliforniaTexasNew YorkFloridaIllinoisPennsylvaniaOhioGeorgiaMichiganNew JerseyVirginiaWashingtonMassachusettsNorth Carolina

Related Resources

clean-water-act-citizen-suits Legal Definition clean-water-act-citizen-suits Practice Area Guide clean-water-act-citizen-suits Landmarks Home Search Cases States Courts Topic Rankings