A district court upheld DOI's approval of oil spill response plans an oil company submitted for drilling operations in the Chukchi and Beaufort Seas.

The Ninth Circuit affirmed in part and reversed in part a lower court decision granting summary judgment in favor of homeowners and the Nevada Division of Environmental Protection in a CERCLA and RCRA case involving soil and groundwater contamination under a Las Vegas shopping center.

The Seventh Circuit held that the trustees of a fund established to finance and oversee the cleanup of a contaminated site near Zionsville, Indiana, may go forward with their lawsuit under CERCLA to recover cleanup costs from the former owners of the site.

A California appellate court held that a newly enacted state law that prohibits counties from restricting or limiting the importation of solid waste into a privately owned facility in the county based on the waste's place of origin preempts a voter-approved 1984 initiative measure that sever

A Texas appellate court held that an insurance company has a duty to defend its insured in underlying lawsuits stemming from a sinkhole formed by the insured's waste disposal well operations.

A district court held that a mining company is liable under the CWA for the unpermitted discharge of selenium at one its surface mines.

A district court dismissed a homebuilder association's lawsuit against EPA and the U.S. Army Corps of Engineers challenging their determination that portions of the Santa Cruz River are traditional navigable waters (TNW) under the CWA.

A California court held that the California Department of Public Health must adopt a final primary drinking water standard for hexavalent chromium.

The Ninth Circuit affirmed a lower court decision vacating the Nevada state engineer's approval of the state wildlife agency's application to transfer water rights from agricultural land in the Newlands Reclamation Project to the Carson Lake and Pasture, a wetlands-containing wildlife r

A district court dismissed a landowner's lawsuit challenging the U.S. Army Corps of Engineers' jurisdictional determination for property that contains peat.