A district court granted in part and denied in part nonprofit groups' motion for summary judgment in a challenge to the Army Corps of Engineers' authorization of a wetland project in the…

The D.C. Circuit, 2-1, affirmed summary judgment for environmental groups in a challenge to EPA's approval of Florida's CWA §404 permitting application and FWS' programmatic biological…

The Ninth Circuit, 2-1, affirmed summary judgment for an environmental group in a challenge to EPA's promulgation of CWA §304(a) recommendations for cadmium. The group argued EPA failed to consult…

A district court granted EPA's motion to dismiss a lawsuit seeking to compel agency action regarding regulation of sewage sludge under the CWA. Texas farmers and ranchers sued EPA, arguing the…

A district court denied summary judgment for the Navy in a CWA citizen suit concerning the release of fuel into bodies of freshwater on the island of Oahu. Environmental groups sued, arguing the…

The Ninth Circuit affirmed summary judgment in part for the Bureau of Reclamation in a challenge to a California irrigation project that has operated without an NPDES permit since 1997 pursuant to…

A district court granted an environmental group's motion for preliminary injunction in a CWA citizen suit brought against a chemical manufacturer for discharging per- and polyfluoroalkyl…

The Eleventh Circuit affirmed dismissal of a CWA citizen suit brought against a hotel owner for filling a nearby wetland. Environmental groups argued the hotel violated the CWA by failing to…

The Ninth Circuit granted in part environmental groups' petition to review EPA's decision refusing to revise technology-based effluent limits, guidelines, and standards (ELGs) for certain…

The Sixth Circuit denied environmental groups' petition to review the Tennessee Department of Environment and Conservation's (TDEC's) order issuing a water quality certification for a proposed…