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…

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 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 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 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 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…

A district court held a coal company liable under the CWA for discharging excessive amounts of selenium into the waters of West Virginia. Water sampling performed on behalf of an environmental…

A district court dismissed three New Hampshire cities' citizen suit challenging EPA's decision to approve New Hampshire's impaired waters list under the CWA. The cities lack…