Central Arizona Project is running public ad campaigns urging residents to prepare for the worst, as the agreement governing ...

Water policy experts are warning Arizonans to prepare for significant water cuts as a multi-state agreement over Colorado River usage nears expiration.

California and other downstream states are criticizing the Trump administration's options for dealing with the Colorado River ...

Arizona state lawmakers tend to vote in lockstep with their party on water issues, but when it comes to proposed Colorado River cuts, they may break ranks.

If Arizona loses a significant share of its Colorado River supply, you won't feel it standing on the shore of Lake Mead. You'll feel it in your water bill.

A new report card for the Verde River gave the watershed a C+. Environmentalists who watch the river closely say the grade is ...

Arizona has raised alarms about one of the federal government's proposals to manage drought on the Colorado River.

DENVER (AP) — Arizona, Nevada and Mexico will again live with less water from the Colorado River as drought lingers in the West, federal officials announced Friday. The Colorado River is a critical ...

A wicked snow drought picked a bad year to plague the West, with the Colorado River already reeling. Arizona's local supplies ...

A well used to track the health of the San Pedro River ran dry for the first time in nearly 40 years, signaling a rapidly declining water table.