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

Though tech companies are secretive about water usage, Arizona’s 150-plus data centers and chip factories use a tiny fraction ...

The Interior Department must force seven bickering states to agree on drastic water cuts — after the driest winter in decades ...

The river doesn't negotiate. It doesn't care about the compact, the seniority system, or the jobs. It delivers what the ...

With the Colorado River shrinking and its water rights in flux, the Central Arizona Project has assembled a coalition to ...

The Colorado River is running dry. Cooperation is the only way forward, writes Pete McBride.

Add Yahoo as a preferred source to see more of our stories on Google. The so-called “bathtub ring,” a deposit of pale minerals left behind where reservoir water levels once reached, is shown on the ...

The 30 tribal nations in the watershed — the river’s most senior water users — were deliberately excluded from the Colorado River Compact negotiations, a blatant attack on tribal sovereignty. In doing ...