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 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 court affirms a district court decision that municipal liens placed on individuals' property did not constitute a taking or violate the individuals' due process rights. In 1992, and again in 1993, a town imposed municipal liens on the property for municipal improvement. In 1999, the individuals ...

The court upholds a district court's order affirming the Bureau of Land Management's (BLM's) denial of plaintiff-appellant's request for a coal lease suspension pursuant to §39 of the Mineral Leasing Act. The court first holds that the district court's decision affirming BLM's denial of a §39 susp...

The court holds that the Bureau of Land Management's (BLM's) denial under the Waste Isolation Pilot Plant (WIPP) Land Withdrawal Act of an application to drill on an oil and gas lease did not constitute a permanent taking of the leaseholder's rights. BLM denied the application until the U.S. Environ...

The court holds that the Eleventh Amendment does not immunize a receiver of estate trusts from being sued solely in its representative capacity. The state of California filed suit against the trustees of a manufacturer's estate to recover cleanup costs at the plant. At the trustees' request, the Con...

The court holds that a developer's takings claim against the United States is barred by 28 U.S.C. §2501's six-year statute of limitations. Two developers claim that the U.S. Army Corps of Engineers' denial of a permit application to construct a levee, and the Corps' subsequent selection of an alter...

The court upholds the U.S. Department of the Interior's (DOI's) decision to deny lessors' request to cancel their Native American oil and gas lease because of the lessee's royalty underpayment violations. The court first holds that the lessors' constitutional argument is meritless. Instead of arguin...