Search Results
Use the filters on the left-hand side of this screen to refine the results further by topic or document type.

Okanogan Highlands Alliance v. Crown Resources Corp.

A district court granted partial summary judgment in a CWA citizen suit brought against the owner of a mine in Washington. The state of Washington and an environmental group argued the mine owner had violated various terms of its NPDES permit. The owner asserted the claims were barred because there ...

HollyFrontier Cheyenne Refining, LLC v. Renewable Fuels Ass'n

The U.S. Supreme Court held, 6-3, that a small refinery that previously received a hardship exemption from renewable fuel requirements may obtain an "extension" even if it saw a lapse in exemption coverage in a previous year. A group of renewable fuel producers had petitioned for review of EPA's gra...

Idaho Conservation League v. Poe

A district court granted a conservation group's motion for summary judgment in a lawsuit concerning a California resident's recreational gold mining in a river in Idaho. The group argued the defendant violated the CWA by suction dredge mining during the 2014, 2015, and 2018 dredging seasons without ...

Trout Unlimited v. Bristol Bay Economic Development Corp.

The Ninth Circuit, 2-1, affirmed in part and reversed in part dismissal of a challenge to EPA's withdrawal of a previously proposed determination restricting mining operations in part of southwest Alaska's Bristol Bay watershed. A conservation group had argued the withdrawal violated the CWA and EPA...

Union of Concerned Scientists v. United States Department of Energy

The D.C. Circuit dismissed a nonprofit group's petition to review DOE's rule concerning the designation of critical electric infrastructure information. The group argued the rule exceeded DOE's authority under §215A of the Federal Power Act, was arbitrary and capricious, and was promulgated in viol...

Navajo Nation v. U.S. Department of the Interior

The Ninth Circuit reversed a district court's dismissal of a Native American tribe's breach of trust claim in a lawsuit concerning water rights to the Colorado River. The tribe initially sued DOI, arguing the Department violated NEPA and breached its trust obligations based on its management of the ...

The Blackstone Headwaters Coalition, Inc. v. Gallo Builders, Inc.

The First Circuit affirmed in part and reversed in part a ruling in a CWA citizen suit brought against developers of a construction site in Worcester, Massachusetts. An environmental group argued that one developer violated the CWA by failing to obtain a general construction permit, and that both de...

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 and other pollutants leaching into groundwater that naturally sit...