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…

A district court denied summary judgment for environmental groups in a challenge to the Bureau of Reclamation's application of provisions of the Water Infrastructure Improvements for the Nation (…

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…

A district court vacated its preliminary injunction in an environmental groups' challenge to the Army Corps of Engineers' issuance of a dredge-and-fill permit for a dam expansion project in…

The Fifth Circuit dismissed environmental groups' petition to review an EPA rule granting Louisiana primary enforcement authority over Class VI underground carbon sequestration wells. The groups…

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…

A district court enjoined construction on a dam expansion project in Colorado in environmental groups' challenge to the Army Corps of Engineers' issuance of a dredge and fill permit. The court…

The Fifth Circuit affirmed denial of summary judgment for two Native American tribes and an environmental group in a challenge to a CWA §404 permit issued by the Army Corps of Engineers to expand…

The U.S. Supreme Court held, 5-4, that the CWA does not authorize EPA to include "end-result" provisions in NPDES permits, in a lawsuit concerning the Agency's issuance of a renewal permit for the…

A district court granted summary judgment for an environmental group in a lawsuit alleging that an equestrian center was unlawfully discharging pollutants into waters of the United States. The…