For more than a century, a collection of deals, treaties and legal agreements have divided up the Colorado River’s water, a ...

Federal officials say Arizona, Nevada and Mexico must again live with less Colorado River water as drought lingers in the ...

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

California shoots pointed words at states upriver, as negotiators struggle toward sharing supplies. Without a deal, the Trump ...

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

Arizona, Nevada and Mexico will be subject to substantial cuts from their Colorado River allocations for the third year in a ...

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

After one of the Colorado River’s driest years in decades, Lake Mead and Lake Powell — the largest reservoirs in the country ...

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