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National pollutant discharge elimination system (NPDES) permit program, 402

Southern Appalachian Mountain Stewards v. Red River Coal Co., Inc.

The Fourth Circuit affirmed summary judgment for a coal company in a lawsuit concerning the company's alleged mine pollution discharges that had been permitted under a CWA permit. Environmental groups argued the company violated SMCRA...

Cottonwood Environmental Law Center v. Edwards

A district court denied a motion for preliminary injunction in a lawsuit concerning irrigation of a golf course in Big Sky, Montana. Environmental groups argued a Montana water district over-irrigated the course, resulting in nitrogen...

Petition of Assateague Coastal Trust

A state court reversed the Maryland Department of the Environment's (MDE's) decision to reissue an NPDES general permit for animal feeding operations without limitations on the discharge of gaseous ammonia. An environmental group argued...

Sierra Club v. United States Army Corps of Engineers

The Fourth Circuit stayed a pipeline company's use of a nationwide permit, verified by the Army Corps of Engineers, to carry out construction of the Mountain Valley Pipeline in streams and rivers along the pipeline's route....

Montana Environmental Information Center v. Montana Department of Environmental Quality

The Montana Supreme Court affirmed vacatur of a Montana Pollutant Discharge Elimination System (MPDES) permit issued by the Montana Department of Environmental Quality (MDEQ) for a copper and silver mine in the Cabinet Mountains....

Okanogan Highlands Alliance v. Crown Resources Corp.

A district court denied mine owners' motion to dismiss a lawsuit alleging they were in violation of their NPDES permit. A conservation group and the state of Washington argued that the owners had violated the terms of their permit by...

Idaho Conservation League v. U.S. Environmental Protection Agency

In an unpublished opinion, the Ninth Circuit granted in part and denied in part an environmental group's petition to review EPA's approval of the Idaho Pollution Discharge Elimination System (IPDES). Specifically, the court denied the...

Delaware Riverkeeper Network v. Sunoco Pipeline L.P.

A district court dismissed a challenge to a pipeline company's failure to seek a CWA permit for construction of a natural gas pipeline in Pennsylvania. A conservation group argued the company violated the CWA by failing to obtain an...

Reissuance of an NPDES/SDS Permit to U.S. Steel Corp.

A state appellate court reversed the Minnesota Pollution Control Agency's decision to reissue a NPDES permit for an iron ore mine in northeast Minnesota. An environmental group and Indian band challenged the decision, arguing that the...

Conservation Law Foundation v. Longwood Venues & Destinations, Inc.

A district court upheld EPA's interpretation that the CWA does not regulate discharges into groundwater that is hydrologically connected to navigable waters in a lawsuit concerning a wastewater treatment facility on Cape Cod. An...

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