For more than a century, a collection of deals, treaties and legal agreements have divided up the Colorado River’s water, a ...

Arizona will again go without 18% of its total Colorado River allocation, while Mexico loses 5%. The reduction for Nevada — ...

Federal officials announced Friday they would continue water allocation cuts on the Colorado River for the fifth consecutive ...

Arizona, Nevada and Mexico will be subject to substantial cuts from their Colorado River allocations for the third year in a ...

Nevada faces a third year of Colorado River water cuts, while Las Vegas avoids new restrictions due to past conservation ...

As Colorado River states race to finish a deal, water users face a resource altered by drought and climate change.

Lake Powell and Lake Mead are once again headed for dangerously low territory. And at the worst time for Colorado River negotiations.

Some 40 million Americans rely on water from these aquifers, including in parts of Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming.

A top Colorado state negotiator said Monday that the Bureau of Reclamation must consider sending less Colorado River water to California, Arizona and Nevada if regulators want to avoid “running ...