The Colorado River Basin which supplies water to seven U.S. states is facing "severe water shortages," scientists warn.

A study using NASA satellites found the Colorado River Basin is depleting rapidly, losing water equal to Lake Mead's capacity ...

Developers and regulators are locked in a deepening dispute over how to manage Arizona's finite water supplies.

New research from Arizona State University and NASA indicates Arizona's reliance on groundwater is in jeopardy, as ...

Arizona is entering a brave new world, now that state water officials have opened the door to groundwater transfers from the ...

Arizona is bracing for cuts to its Colorado River water. At the same time, an ASU study shows the state is losing groundwater.

The Active Management Area would bring several changes to groundwater use in the Willcox Basin, located in both Cochise and Graham counties: It would mandate anyone irrigating more than two acres ...

Of 51 groundwater basins studied over 20 years in Arizona, Willcox is one of the three "priority basins" for management, according to data reviewed by the state water authority.

Arizona Gov. Katie Hobbs, center, meets with local residents in Wenden, Arizona, on Wednesday, May 28, 2025, during a tour of La Paz County to talk about groundwater.

The Arizona Department of Water Resources announced the regulation of groundwater in the state's rural southeast, designating a controlled area to prevent rapid depletion due to agricultural use.

WENDEN, Ariz. (AP) — Arizona's governor and the GOP-controlled Legislature are at odds over regulating groundwater pumping in the state's rural areas — and time is running out. Democratic Gov ...

WENDEN, Ariz. (AP) — Arizona's governor and the GOP-controlled Legislature are at odds over regulating groundwater pumping in the state's rural areas — and time is running out. Democratic Gov.