The Illinois Supreme Court dismissed a lawsuit concerning the city of Chicago's replacement of water meters and water main pipes as well as the partial replacement of lead service lines that…

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…

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…

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 dismissed a lawsuit challenging two protocol agreements entered into by Native American tribes and the Bureau of Indian Affairs that established procedures for enforcement of the…

A state appellate court held invalid the Department of Ecology's administrative rule establishing summer minimum instream flows for the lower reach of the Spokane River. Environmental groups…

A state court reversed the Montana Department of Natural Resources and Conservation's approval of a water use permit for a proposed silver-copper mine in Montana's Cabinet Mountains. An…

A state appellate court reversed a judgment against a coastal use permit issued by Louisiana's Department of Natural Resources for construction of an oil pipeline. The Department argued that…

The U.S. Supreme Court, in an ongoing dispute between Florida and Georgia over the apportionment of the Apalachicola-Chattahoochee-Flint River Basin's waters, remanded a Special Master's…

The U.S. Supreme Court held that the United States may pursue claims against New Mexico for violating the Rio Grande Compact, which Colorado, New Mexico, and Texas entered into in the 1930s to…