The Eleventh Circuit affirmed a lower court decision upholding the U.S. Army Corps of Engineers' 2012 decision to issue a general nationwide permit—NWP 21—authorizing discharges from certain coal mining activities into navigable waters. The 2012 version of NWP 21 contains two new provisions, a g...

A district court ordered EPA to promulgate revised water quality standards for Washington state by September 15, 2016, or, in the alternative, by November 15, 2016, if the state submits its own water quality standards by September 15. A key factor in determining the requisite water quality standards...

The Ninth Circuit held that a mining company that operates a smelter in Canada should not be held liable as an arranger under CERCLA for the release and threatened release of hazardous substances in the Upper Columbia River. The company could not be said to have "arranged" for the "disposal" of haza...