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 guidance document relating to such permits, against challenges from the mining industry and two states. The Enhanced Co...

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 the project. An environmental group argued that the second functional assessment, which was performed ...

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 Reserve–Alaska for a future drill site. The group's members have not demonstrated the requisite injury in...

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, seeking to compel it to apply for and comply with the terms of an NPDES permit, and to pay civil penalties ...

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 state surface mining permits. The companies argued that the court could not rule in the groups' favor becaus...

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 authorizing surface coal mining operations to discharge dredged or fill material into waters of the United States if ...

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's lawsuit should be dismissed because it had already entered into a consent decree with the state enviro...

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 group that filed a citizen suit against the company prove that the company violated West Virginia's water q...