Arizona has raised alarms about one of the federal government's proposals to manage drought on the Colorado River.

With the Colorado River shrinking and its water rights in flux, the Central Arizona Project has assembled a coalition to ...

Low snow totals across the Colorado River basin are threatening to shrink major reservoirs and making water managers anxious.

'The river has a right to be protected, and we have neglected that for centuries,' an expert said.

If you took a look at a map of Rocky Mountain snow right now you would see a lot of red. The mountains that feed the Colorado River with snowmelt are strikingly dry, with many ranges holding less than ...

With a reddish tint from sediment carried over long miles, the mighty river that carved the Grand Canyon has been known by many names. Some Indigenous peoples called it “Dirty Water.” Spanish ...

On a cold winter morning in 1922, the delegates who negotiated the original Colorado River Compact left their respective capitals for Bishop’s Lodge just outside Santa Fe. Gathered in a room, they ...