A pool of Colorado River water could soon be lost for good, leaving Arizona cities and tribes with rights but none of its water.

Court rules Arizona's water department acted illegally in restricting housing development in Phoenix over water supply concerns.

A judge struck down an Arizona water rule that halted new housing in the Phoenix area, finding the agency acted without legal ...

With reduced allocation, Kearny could go dry by July 15. Arizona's drought impacts flow, but so do water-hungry coal plants ...

The Arizona Department of Water Resources acted illegally when it changed how it determined if there was enough groundwater ...

Governor Katie Hobbs vetoed a bill intended to fund the recovery and treatment of brackish groundwater to address Arizona's water shortage. The legislation, proposed by State Representatives Gail ...

The Arizona Department of Water Resources is gearing up for a legal fight over Colorado River negotiations and has hired a ...