For more than 60 years, Glen Canyon Dam in Arizona has helped to ensure water and power for millions of people in the West.

While the seven Colorado River Basin states try to reach agreement over how to divvy up diminishing flows in the Colorado ...

Finished in 1963, Glen Canyon Dam in Arizona remains at the center of an environmental and cultural controversy.

"If we lose power at Glen Canyon and Hoover Dam, that's a big problem for the West," a Nevada water official said.

Rising water temperatures across the Colorado River and its reservoirs are creating new challenges for water treatment ...

Lake Powell's water levels are 30 feet below their marks from a year ago.

Negotiators are focusing on a five-year agreement for sharing water from the shrinking river. Experts say that would provide ...

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

Friday's outlook comes as Lake Powell levels have already slipped to 26% of capacity, close to the emergency-low levels it experienced a few years ago. However, other bodies of water in the river ...

Federal proposals being considered could slash Central Arizona Project water deliveries — which Tucson uses to supply ...

From a fast-moving clipper delivering fresh powder to New England to a long-awaited moisture surge in California, our meteorologists are tracking the storms impacting your Tuesday and the big ...

Wyoming's top water managers are warning that a significant drawdown of Flaming Gorge Reservoir this spring is likely imminent due to low snowpack and generally dry conditions throughout the ...