Arizona will again go without 18% of its total Colorado River allocation, while Mexico loses 5%. The reduction for Nevada — ...

New data from the Bureau of Reclamation puts the river and its reservoirs in formal shortage conditions. Policymakers are ...

Federal officials announced Aug. 15 they would continue water allocation cuts on the Colorado River for the fifth consecutive ...

Arizona's Colorado River shortages will continue in 2026, but dry conditions and expiring agreements pose more uncertainty.

Lake Mead, the river’s largest reservoir, is about 30% full and federal officials have now said that shortages will last ...

Arizona cities unite to confront Colorado River water rights issues, addressing drought and cutbacks in the face of a complex ...

New federal forecasts for the Colorado River show more dry conditions and low reservoirs. And that means the "shortage ...

The weather service has issued a flash flood warning for in and around the Dragon Bravo Fire scar at the Grand Canyon in ...

The move, by the Colorado River Indian Tribes in Arizona and California would give rights of nature to the water, marking a ...

Federal officials are expected to project next year's water shortage on Aug. 15. Arizona doesn't expect to lose more until at ...

"We are facing unprecedented challenges," said Central Arizona Project's General Manager. "Two decades of drought, ...

In landlocked Arizona, where the Colorado River crisis has put water use under a microscope, a new inland desert fish farm is growing barramundi — a tropical species native to Australia.