The Sixth Circuit issued a nationwide stay enjoining the "waters of the United States" rule pending the court's determination as to whether it has subject matter jurisdiction to review the rule. The court held that the petitioning states demonstrated a substantial possibility of success on the merit...

A North Carolina appellate court upheld the constitutionality of state legislation that withdrew a city's authority to own and operate its public water system and to instead transfer it to a sewer district. The law creates a new type of political subdivision, known as a metropolitan water and sewera...

A district court denied in part motions to dismiss as time barred Puerto Rico's lawsuit against various oil companies for methyl tertiary butyl ether (MTBE) groundwater contamination. Under Puerto Rico law, once the defendant has established that the injury occurred more than one year prior to the f...

A district court upheld EPA's decision to withdraw a proposed rule that would have required concentrated animal feeding operations (CAFOs) to provide information to the Agency to help facilitate EPA's ability to regulate their discharge of pollutants into the waters of the United States under the CW...

The D.C. Circuit upheld the dismissal of an environmental group's NEPA and CWA claims against the U.S. government in connection with a 593-mile oil pipeline that runs from Illinois to Oklahoma on both public and private lands. Despite the group's claims to the contrary, the government was not requir...