A district court dismissed a property owner's negligence and mutual mistake claims against the former owner, as well as its request to rescind the purchase agreement, due to contamination…

The U.S. Supreme Court held that Wyoming did not violate the Yellowstone River Compact by allowing its pre-1950 water appropriators to increase their net water consumption by improving the…

The D.C. Circuit denied a petition for review challenging EPA's decision granting California a waiver from federal preemption under the CAA that allows the state to implement its own…

The D.C. Circuit upheld an Interior Board of Land Appeals decision refusing to reinstate four oil and gas leases off the California coast that were expired due to political considerations. In 1999…

The U.S. Supreme Court held that a Native American tribe's suit against federal officials in district court seeking equitable relief for their alleged breach of fiduciary duty precludes…

A district court held unconstitutional California legislation (SB 990) that prescribes cleanup rules that apply only to a former federal nuclear research and rocket testing facility and…

The Michigan Supreme Court vacated its previous decision at 41 ELR 20056 in which it held that a company's plan to discharge contaminated water from an environmental…

The Federal Circuit upheld the dismissal of a Native American tribe's Tucker Act claim against the United States for an alleged breach of fiduciary duty relating to water rights in the…

A district court held that an insurance company must defend its insured in an underlying case involving minors' exposure to contaminated drinking water stemming from the insured's…

A district court denied a triglyceride diesel fuel manufacturer's motion to preliminarily enjoin the American Society for Testing and Materials' (ATSM's) promulgation of a…