The mountains that feed the Colorado River with snowmelt are strikingly dry, with many ranges holding less than 50% of their ...

The mountains that feed the Colorado River with snowmelt are strikingly dry, with many ranges holding less than 50% of their ...

The U.S. Department of Interior said Wednesday it extended more than a dozen contracts with water-rights holders in ...

Arizona has taken the largest hit from Colorado River water shortages, and will take more, but Gov. Katie Hobbs said other states are lagging.

Top water negotiators declined to speak at an upcoming conference amid closed-door meetings about the future of the water ...

Elzada Clover and Lois Jotter conducted a harrowing 43-day trip down the Colorado River in an effort to map the Grand Canyon's flora.

Top water negotiators declined to speak at an upcoming conference amid closed-door meetings about the future of the water ...

The mountains that feed the Colorado River with snowmelt are strikingly ... Water sits low behind Glen Canyon Dam on Nov. 2, 2022 near Page, Ariz. Low water levels in Lake Powell could jeopardize ...

When Glen Canyon Dam went up in 1966, it significantly altered the ways in which the Colorado River transported water, sediment and nutrients, allowing tamarisk (an invasive species) and arrowweed ...

The Colorado River flows through the Glen Canyon and Hoover dams to supply hydroelectric ... 321,000 acre-feet in water storage at the Hoover Dam's drying Lake Mead, which experts say equals ...

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