New York's highest court held that material questions of fact prevent it from ruling on whether a narrow waterway within a remote area of the Adirondack Mountains is navigable-in-fact and…

A Montana court vacated and remanded a water discharge permit that the state's environmental agency issued to a coal mine in southeastern Montana. The agency's decisions are arbitrary and not…

A district court held that conservation groups lacked standing to challenge the U.S. Army Corps of Engineers’ decision to reissue a nationwide permit (NWP 13) authorizing the discharge of dredged…

An Illinois appellate court held that the Illinois Pollution Control Board erred when it upheld the state environmental agency's decision to reissue NPDES permits for three large water reclamation…

The Sixth Circuit held that it has jurisdiction to hear numerous lawsuits challenging EPA's and the U.S. Army Corps of Engineers' "waters of the United States" (WOTUS) rule. The rule went into…

A district court, in a 126-page opinion, dismissed environmental groups' NEPA lawsuit against the Alabama Department of Transportation, the U.S. Army Corps of Engineers, and the Federal Highway…

A district court held that environmental groups lacked standing to challenge EPA's decision not to object to a draft water discharge permit that Arkansas' environmental agency issued to a pulp and…

The Sixth Circuit dismissed individuals' CWA citizen suit against the Ohio Department of Agriculture (ODA) for issuing NPDES permits for animal feeding operations without first obtaining approval…

A district court held a petroleum company liable for $159.5 million in civil penalties under the CWA in connection with the 2010 Deepwater Horizon disaster. The court applied each of the…

The Eleventh Circuit denied environmental groups' lawsuit challenging EPA's interim decision not to revoke Alabama's NPDES permitting authority. Alleging 26 program deficiencies, the groups…