The court upholds the decision of a land use board that remanded a county's decision to allow a city-run wastewater treatment plant to operate on land zoned for exclusive farm use (EFU). The county approved the use as one that is permitted outright on land zoned for EFU. The court first holds that c...

The court holds that property owners operated two illegal junkyards in violation of a city's zoning laws and that such operation constituted a nuisance. The city planning commission determined that the properties were nuisances, and the commission's decision to uphold the city's cease and desist ord...

The court holds that when a party is liable for pollution response costs under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), it must share them regardless of whether it is the sole cause of the costs. An airplane manufacturer brought a contribution action agains...

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...

The court reverses a district court decision dismissing on summary judgment a property owner's Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) claim against prior owners of the property, as well as certain governmental entities, to recover the cost of cleaning up conta...

In a suit raising constitutional challenges to the siting of a regional low-level radioactive waste disposal facility, the court holds that freedom from environmental releases of nonnatural radiation is not a fundamental, unenumerated right protected by the Ninth Amendment, and differences in the fe...

The court rules that Exemption 4 of the Freedom of Information Act shields from public disclosure comprehensive reports, prepared and provided to the U.S. Nuclear Regulatory Commission by a nonprofit consortium of the nuclear utility industry, concerning the safety and reliability of operations at n...

The court holds that a landfill operator is entitled to a preliminary injunction prohibiting enforcement of a county ordinance that regulates the transport of out-of-county waste into the county, and the operator may proceed on procedural and substantive due process claims against the county. The co...