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...

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 by discharging pollutants from point sources at its now-inactive ...

The Fourth Circuit affirmed summary judgment for the Army Corps of Engineers in a challenge to the Corps' issuance of a permit to construct a jetty to prevent beach erosion in North Carolina. An environmental group challenged the issuance of the permit on the ground that numerous analyses conducted ...

The Second Circuit denied a petition to review two FERC orders that determined the New York State Department of Environmental Conservation (NYDEC) had waived its authority under §401 of the CWA to issue or deny a water quality certification for a natural gas pipeline project. NYDEC and an environme...

The D.C. Circuit affirmed dismissal of a lawsuit concerning reserved water rights in the Klamath River Basin. Ranchers sued to prevent Native American tribes from exercising reserved water rights in the basin that interfered with the ranchers' ability to irrigate their land. The district court dismi...

The U.S. Supreme Court denied certiorari in a lawsuit concerning President Barack Obama's 2016 proclamation of the Northeast Canyons and Seamounts National Marine Monument off the New England coast. Commercial fishing groups had petitioned the Court to overturn the D.C. Circuit's 2019 decision uphol...