Water Treaty agreements between Mexico and the United States have enabled the restoration of the riparian corridor of the Colorado River Delta—a 136 km ...

Farms and cities use so much of the Colorado River's water that little remains for the river's own ecosystem. Will ...

When seven states got together in 1922 to effectively divide up Colorado River usage, their resulting compact declared: “Nothing in this compact shall be construed as affecting the obligations of the ...

After months of little progress and public battles, negotiators from the seven Colorado River states may have regained their footing toward a shortage-sharing agreement. Officials say the Trump ...

Utah and the six other states that rely upon the Colorado River on Tuesday failed to reach an agreement on how to manage the drought-stricken waterway that supplies water to 40 million people. The ...

Getting your Trinity Audio player ready... Concerningly low amounts of water are flowing from Rocky Mountain snowpack this spring, a summer of drought looms across swaths of the West, and the ...

Water from the Colorado River and its tributaries irrigates farms, sprinkles lawns and quenches the thirst of millions across Utah and the greater Southwest. While only 27% of the state’s water comes ...

This story was originally published by CalMatters. Sign up for their newsletters. The clock is ticking down to a federal deadline Tuesday for California and six other Western states to reach the broad ...

The Colorado River will remain in shortage through 2026, federal officials announced, a decision that was expected after an especially poor winter runoff season. Arizona suffers the largest cuts under ...

Getting your Trinity Audio player ready... Water managers and state wildlife officials last year hoped the discovery of a microscopic zebra mussel larva in the Colorado River was a one-time event, not ...