A district court held that a settlement agreement bars a mining corporation from seeking contribution from a railroad company under CERCLA for environmental liability related to the Omaha Lead Superfund site in Omaha, Nebraska.

The Seventh Circuit upheld a lower court decision that a campground operated as a "public water system" under the SDWA.

The District of Columbia's highest court upheld the dismissal of a property owner's lawsuit against the D.C. sewer and water authority for pinhole leaks in his apartment buildings' pipes.

The D.C. Circuit vacated an EPA rule that deferred regulation of biogenic carbon dioxide—non-fossil-fuel carbon dioxide sources such as ethanol—for three years.

A district court vacated an SEC rule that requires certain companies to disclose payments made to foreign governments in connection with the commercial development of oil, natural gas, or minerals.

The Supreme Court of New Jersey reversed and remanded a lower court decision awarding $375,000 in damages to beachfront property owners whose oceanfront view was obstructed by a dune built to serve as a barrier from powerful storms and ocean surges.