Arizona is tussling with other states over how much of the Colorado River it should receive. But how will Arizonans divide ...

Arizona may be in line for larger Colorado River water cuts than any other state, with a political hurdle that no other state ...

It's ridiculous that we know so little about how much water Arizona stands to lose from the Colorado River. But we can ...

The bill will allow farmers to exchange land and water rights with urban developers to decrease water use and increase ...

Arizona's Ag to Urban law comes with a big question mark: Where will the water to replenish the aquifer come from?

After months of stalemate, glimmers of hope have emerged for consensus on a new plan to manage the shrinking Colorado River.

The Colorado River, which provides 40% of water for Phoenix, along with most of Arizona’s largest cities, is experiencing low flows unprecedented in U.S. history.

The worst-case forecast has Lake Powell falling to low enough levels by the end of next year to halt electricity production ...

About 40 million people rely on the Colorado River for drinking water. It also irrigates agricultural fields. It's also shrinking. Now, states might agree on a potential deal on sharing the river.

Cooke is the former manager of the Central Arizona Project. The region's water experts regard him as a qualified expert.

Arizona’s water chief is offering a new path out of the morass in Colorado River negotiations — a proposal to tie future ...