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…

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…

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…

A district court held that environmental groups are entitled to injunctive relief and civil penalties in their CWA citizen suit against a coal company for violating the water quality standards…

A district court held that a railroad company that operates a railroad-transportation facility in Seattle, Washington, violated the terms of its NDPES permit in violation of CWA §402 and…

California's highest court upheld a regional water board's issuance of a NPDES permit authorizing a power plant to draw cooling water from an adjacent harbor and slough. An…