A district court denied a sand and gravel company's motion to dismiss environmental and citizen groups' CWA action against it for discharging stormwater associated with industrial…

The Third Circuit affirmed a lower court decision granting summary judgment in favor of the U.S. government and imposing a $250,000 fine against a landowner for filling wetlands on his property…

A district court held that environmental groups and water associations may intervene in a lawsuit challenging EPA's TMDL for the Chesapeake Bay and its tributaries. The plaintiffs in the…

A district court held that EPA's Multi-Criteria Integrated Resource (MCIR) Assessment and Enhanced Coordination (EC) Process, adopted to screen mountaintop mining permits, violates the CWA…

A California appellate court reversed and remanded a lower court decision denying water districts' motion to amend a 1961 judgment that imposed a "physical solution" on the West…

The Eleventh Circuit affirmed a lower court decision dismissing individuals' claims that a city violated its NPDES permit for municipal separate storm sewer systems (MS4s). They alleged…

A district court enjoined the U.S. Army Corps of Engineers from continuing with its Industrial Canal Lock Replacement Project in New Orleans until it complies with NEPA and the CWA. The canal is…

The Tenth Circuit held that an Oklahoma city and a Texas city that entered into water contracts with one another lack standing to challenge Oklahoma's water appropriation permitting process…

The Tenth Circuit held that Oklahoma statutes that favor in-state water appropriation permit applicants over out-of-state permit applicants do not violate the Commerce Clause. The case arose after…

A Maryland appellate court held that the state's general discharge permit for animal feeding operations complies with the CWA and state law. The general permit authorizes certain discharges…