The long-term drying of the American Southwest poses a gathering and measurable threat to hydropower generation in the Colorado River basin. Should Lake Mead, the reservoir formed by Hoover Dam, ...

The worst-case forecast has Lake Powell falling to low enough levels by the end of next year to halt electricity production ...

The clock is ticking on the Colorado River. The seven states that use its water are nearing a 2026 deadline to come up with ...

California and six other states that use water from the Colorado River are nearing a 2026 deadline to come up with new rules for sharing shrinking supplies.

Tens of millions of people rely on water from the nation's largest reservoir, which is part of the Colorado River Basin.

Learn more about the volcanic ash researchers found in the sediment around Lake Mead’s now exposed shoreline, and how it ...

More than 90 years after it was created during the Great Depression, Lake Mead provides about 90% of the water supply in Southern Nevada. And while much of the focus is on the lake shrinking, those ...

The eight penstocks that provide water for generation of electricity are revealed on the back of Glen Canyon Dam during the official dedication of Glen Canyon Dam near Page, Ariz. on Sept. 22, 1966.

The Southwest and Rocky Mountain states are reviewing a plan that could split Colorado River water based on actual flows, not storage.

Here is what to expect when traveling throughout Arizona on July Fourth Day weekend, including traffic issues, event coverage ...

It was dark, loud and wet. You could be blown up, run over, or drowned. Or you could succumb to drunken misadventure. Some ...