Even with above-average snowpack in parts of the southwest, some upper basin states in the Colorado River system are gearing up for a fight over supply.
Two water cases involving the Navajo Nation's water right claims have been placed on the U.S. Supreme Court docket.
The United States has sued the State of Idaho over the state's forfeiture procedures for water rights on public lands.
Several irrigation districts and others having pre-1914 senior water rights have sued the State of California over water shut-offs and denial of due process. Historic water rights were cut last month...
The Ninth Circuit Court of Appeals ruled that Native Americans and others claiming federal reserved water rights have a right to groundwater under their lands.