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Clean Water Act (CWA)

Millennium Bulk Terminals-Longview, LLC v. State

A state review board affirmed the Washington Department of Ecology's denial of a CWA §401 certification requested by a coal company for a proposed coal export terminal. The company argued that its request was categorically exempt from...

Sierra Club v. State Water Control Board

The Fourth Circuit denied environmental groups' petition to review Virginia's issuance of §401 certification under the CWA for construction of a natural gas pipeline. The groups argued that state agencies acted arbitrarily and...

Cooling Water Intake Structure Coalition v. United States Environmental Protection Agency

The Second Circuit denied environmental groups' and industry associations' petitions to review a final rule promulgated by EPA establishing requirements for cooling water intake structures (CWISs) at existing power plants and...

Atchafalaya Basinkeeper v. United States Army Corps of Engineers

The Fifth Circuit vacated a lower court's decision to preliminarily enjoin a pipeline company from constructing part of a pipeline through the Atchafalaya Basin, a sensitive wetlands area in southern Louisiana. Environmental groups...

Ohio Valley Environmental Coalition, Inc. v. Pruitt

The Fourth Circuit reversed a lower court's grant of summary judgment requiring EPA and West Virginia to address coal mining-related water pollution. Environmental groups argued that EPA failed to perform its nondiscretionary duty under...

Georgia v. Pruitt

A district court granted 11 states' motion to preliminarily enjoin EPA and the U.S. Army Corps of Engineers from implementing the "waters of the United States" rule, also known as the WOTUS rule or Clean Water Rule. The states...

New York v. Pruitt

A district court denied the U.S. government's request to transfer to the Southern District of Texas two cases challenging the Trump Administration's delay of the Clean Water Rule. One lawsuit was brought by the state of New York, and...

Clean Water Action v. Pruitt

A district court dismissed an environmental groups' lawsuit challenging EPA's decision to stay a 2015 CWA rule concerning effluent limitations for steam electric power plants. The rule addressed effluent limitations and standards for...

Upstate Forever v. Kinder Morgan Energy Partners, L.P.

The Fourth Circuit held that citizens may bring suit alleging a violation of the CWA when the source of the pollution is no longer releasing the pollutant, but the pollutant continues to be discharged into surface waterways via...

Environmental Law & Policy Center v. United States Environmental Protection Agency

A district court held it could not rule on the merits as to whether EPA violated the APA when it approved Ohio's 2016 impaired water list, but nevertheless remanded the case to EPA so it could approve or disapprove Ohio's incomplete CWA...