A district court denied EPA's motions to dismiss a lawsuit brought by two states and a Native American tribe seeking to recover response costs from the 2015 Gold King mine spill that sent millions of gallons of acid mine drainage into the Animas and San Juan Rivers. EPA argued that it retained sover...

The Sixth Circuit held that seepage from a coal-fired power plant that reached a nearby lake violated RCRA, but not the CWA. Environmental groups argued that the chemicals being stored in coal ash ponds contaminated the surrounding groundwater, which in turn contaminated a nearby lake, in violation ...

The Ninth Circuit affirmed a district court's ruling that a Canadian smelter company that dumped several million tons of industrial waste into the Columbia River was liable for a Native American tribe's response costs. The company argued that CERCLA did not allow the tribe to recover its costs of es...