The court holds that the U.S. Environmental Protection Agency (EPA) violated Safe Drinking Water Act §1412(b)(3)(A)'s statutory mandate to use the best available evidence when it implemented the chloroform maximum contaminant level goal (MCLG). During rulemaking for the chloroform MCLG, EPA ostensi...

The U.S. Supreme Court holds that a Native American tribe's and U.S. claims to additional water rights from the Colorado River are not precluded by a previous Court decision or by a 1983 consent decree entered into by the United States and the tribe. The tribe's and the government's present claims a...

The court holds that a trial court erred in resolving water right priorities in an overdrafted basin with a "physical solution" that relies on the equitable apportionment doctrine but does not consider the affected owners' legal rights in the basin. Landowners who had overlying water rights in the M...

A district court held that a property owner's Minnesota Environmental Response and Liability Act (MERLA) claims against a former owner are not time barred even though the state agency issued a "decision document" describing the former owner's cleanup of the site as "final" well beyond the statute of...

The Ninth Circuit held that a 2007 voter-approved initiative that overturned a 2004 initiative giving property owners relief from development restrictions under Oregon land-use laws, or payment for the lost value of their land, did not violate the Contract Clause of the U.S. Constitution. Waivers gr...

The U.S. Judicial Panel on Multistate Litigation consolidated and transferred to the U.S. District Court for the Eastern District of Louisiana 77 lawsuits related to the Deepwater Horizon oil spill in the Gulf of Mexico. The actions indisputably share factual issues concerning the cause (or causes) ...

A Louisiana appellate court reversed a lower court decision denying property owners' right to sue oil and gas companies for contamination and damages due to their past operations on the site. The operations were conducted under mineral leases that remain active today. The owners purchased the site i...

The court affirms a state water court decision denying and dismissing with prejudice a county's applications for decrees for conditional water rights for a large water storage project west of the Continental Divide in the Upper Gunnison River Basin. The county argued that the basin contained ample w...

The court reverses a portion of a state environmental agency order that imposed a civil penalty against a city for discharging sewage sludge without a permit in violation of an Oregon statute. The city was granted a national pollutant discharge elimination system (NPDES) permit to operate a sewage d...

The court grants a county's motion for summary judgment in a case in which a community association challenged the county's receipt of a state nontidal wetlands permit for the planned construction of a roadway extension. The court first holds that the association failed to raise any genuine issues of...