As a record-hot winter continues across much of the West, forecasters are dialing back estimates for how much water will flow into the Colorado River during the spring runoff. The latest models show ...

With little progress in the Colorado River negotiations, some water experts are looking to a conservation program — featuring pools of invisible water and some accounting magic — as a possible path ...

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

Add Yahoo as a preferred source to see more of our stories on Google. The so-called “bathtub ring,” a deposit of pale minerals left behind where reservoir water levels once reached, is shown on the ...

A coalition of cities and water providers, led by the Central Arizona Project, has launched a media campaign targeting proposed Colorado River cuts. The campaign includes a TV ad that claims Arizona ...

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 ...