A pool of Colorado River water could soon be lost for good, leaving Arizona cities and tribes with rights but none of its ...

The Northern Integrated Supply Project, or NISP, is close to construction, but building costs are in the billions and some ...

Arizona has taken the largest hit from Colorado River water shortages, and will take more, but Gov. Katie Hobbs said other ...

The future of Southern Nevada’s primary water source rests on the shoulders of two groups of sharply divided negotiators from ...

The Trump administration is aiming to complete its team of top officials managing the Colorado River, as states struggle to strike a water deal.

The Colorado River makes up about half of San Diego County’s imported water supply. Now, California and the six other states that use the Colorado River are deadlocked about how to share it in ...

Rusty crayfish, an aquatic nuisance and an invasive species, has been discovered in a Larimer County river south of Estes ...

Is wasteful water use causing shortages? The Natural Resources Defense Council is urging the U.S. government to enforce a ...

With no settlement yet on how to manage shortages on the Colorado River, the Trump administration ... over one of Arizona’s largest water sources. The new commissioner will take charge amid ...