The Fourth Circuit held that a coal company may not assert the CWA's "permit shield" defense for discharges of selenium when it failed to disclose the presence of this pollutant…

The D.C. Circuit upheld EPA's and the U.S. Army Corps of Engineers' Enhanced Coordination Process memorandum, which concerns CWA §404 mining permit applications, as well as an EPA…

A district court upheld a CWA §404 permit issued by the U.S. Army Corps of Engineers for the construction of a large marine transfer station near the upper east side of New York City. A group of…

A Texas appellate court reversed a lower court decision enjoining a city from undertaking certain activities relating to further development of its proposed water well plan on a landowner's…

A district court held that mining companies discharged excessive amounts of ionic pollution, measured as conductivity, into the waters of West Virginia in violation of their federal NPDES and…

A district court held that a Hawaiian county illegally discharged wastewater into the ocean through groundwater injection wells in violation of the CWA. An environmental group sued the county,…

A district court upheld a U.S. Army Corps of Engineers permit issued under CWA §404 for a railroad extension project in an area surrounded by wetlands. Two functional assessments were prepared for…

A district court held that an environmental group lacked standing to challenge a U.S. Army Corps of Engineers permit issued to an oil company to fill certain wetlands in the National Petroleum…

A district court dismissed an environmental group's lawsuit challenging the U.S. Army Corps of Engineers' 2012 reissuance of Nationwide Permit 21 (NWP 21), a five-year general permit…

A district court held that a coal company violated the CWA and SMCRA by discharging excessive amounts of selenium into the waters of West Virginia. The company argued that the environmental group…