A district court dismissed property owners' lawsuit against a mining company for unlawfully diverting excess wastewater into underground mine voids located beneath their land. Although the owners filed suit after the statute-of-limitations period expired, the owners argued that CERCLA's discovery ru...

A district court denied in part and granted in part EPA's motion to dismiss property owners' lawsuit challenging the constitutionality of an EPA compliance order under CWA §309. EPA determined that, in the course of developing the property, the owners discharged dredge and fill materials into water...

A Washington appellate court upheld an administrative board decision invalidating the Department of Ecology's and a city's threshold determinations for two crude oil terminal development projects under the State Environmental Policy Act (SEPA), but denied environmental groups' claim that additional ...

A district court upheld the U.S. Army Corps of Engineers' decision to issue a general nationwide permit—NWP 21—authorizing discharges from certain coal mining activities into navigable waters. Despite environmental groups' arguments to the contrary, the Corps' issuance of NWP 21 was neither arbi...

A district court denied motions to dismiss environmental groups' CWA citizen suit against an energy company for alleged NPDES permit violations at a retired coal-fired power plant. The groups alleged that the company unlawfully discharged pollutants through engineered seeps, non-engineered seeps, an...