In the 1930s, workers bored a 13-mile tunnel beneath Mt. San Jacinto. Here's a look inside the engineering feat that carries ...

Ongoing drought continues to strain the water supply from the Colorado River, but some Arizona agencies are finding new ways to conserve.

The Colorado River is starting to swell with spring runoff, but just a few months ago, Avi Stopper clocked a gap in the ...

Every year, we watch snowfall in the Rocky Mountains to see if enough snowmelt trickles down the Colorado. And we watch ...

During a tour of the Western Slope last week, U.S. Sen. John Hickenlooper, D-Colo., said he was frustrated with the pace of ...

“It’s really important to the Western Slope that we are invested in our water and so many people are coming to this event just to get it this information that’s so powerful, straight from the source,” ...

The process for determining the operating rules for the Colorado River system that will take effect in 2027 is in full swing. While various alternative operating regimes have been proposed, no ...

Every year for the past 25, at least, negotiating teams for the seven states on the Colorado River have worked to overcome a new crisis, invariably driven by two entities: the state of California ...