Upper and Lower Basin states are at odds over post-2026 operations for the drought-stricken river, raising litigation risks and highlighting credit uncertainty.

A federal proposal for Colorado River management would disproportionately hurt Arizona, according to water officials.

The prospect of a costly and prolonged interstate lawsuit over rights to the Colorado River looms now that the states using the water are blowing past a Valentine’s Day deadline with no water-sharing ...

Western states say the federal government's plan to manage how to split up the Colorado River is doomed to be picked apart in ...

Relying on desalination, the San Diego County Water Authority will consider transferring water to cities in Arizona and Nevada that soon will face cuts in Colorado River water.

Federal water managers are scrambling to write new rules for the Colorado River before current operating guidelines expire at the end of 2026, but none of the alternatives on the table address a basic ...

Tribes across the West have worked with states to protect the Colorado River and conserve enough water to raise elevations in the river’s two largest reservoirs, Lakes Powell and Mead, a move that has ...

A wicked snow drought picked a bad year to plague the West, with the Colorado River already reeling. Arizona's local supplies ...

As part of its spring tradition, the Colorado River District will give its State of the River address to a dozen Western Slope communities starting in March. Each State of the River will provide ...