The Nevada Supreme Court held that the public trust doctrine did not permit reallocation of water rights already adjudicated and settled under the doctrine of prior appropriation in a lawsuit…
In an unpublished opinion, the Ninth Circuit granted in part and denied in part an environmental group's petition to review EPA's approval of the Idaho Pollution Discharge Elimination…
The Washington Supreme Court upheld the Department of Ecology's rule that set a summertime minimum instream-flow rate for the Spokane River at 850 cubic feet per second (cfs). Environmental…
The Sixth Circuit dismissed as moot a lawsuit seeking to preliminarily enjoin EPA's 2015 Clean Water Rule that clarified the definition of "waters of the United States" under the…
A district court denied summary judgment for New York in a challenge to EPA's designation of the eastern Long Island Sound as an open-water dredge disposal site. New York argued EPA's…
A district court denied a motion for preliminary relief in a challenge to the Navigable Waters Protection Rule, which substantially narrows the definition of "waters of the United States…
A district court stayed the Navigable Waters Protection Rule, which substantially narrows the definition of "waters of the United States" that are subject to federal regulation under the…
The Sixth Circuit reversed, 2-1, a district court ruling that required the Pipeline and Hazardous Materials Safety Administration (PHMSA) to comply with the ESA and NEPA before approving an oil…
A district court denied EPA's motion to dismiss a lawsuit concerning its duty to update its National Contingency Plan (NCP) for addressing oil and hazardous substance contamination.…
The U.S. Supreme Court held, 6-3, that the "functional equivalent of a direct discharge" of pollutants requires a CWA permit, and remanded for consideration of whether a discharge of…