If Arizona's largest cities aren't hitting a goal set in the 1980s for groundwater use, where do we go from here?

Arizona's announcement will halt anyone in the Willcox Basin from irrigating farmland that hasn't been watered for the last five years.

Most of Arizona’s urban areas were supposed ... the long-term health and management of our aquifers, which still supply more than 40% of water used in the initial AMAs where 80% of Arizona ...

It's a rare sight in Arizona. This is how you can see a human-made waterfall created by releasing excess water.

Hoo-boy! Talk about information overload. There are so many things going on right now. Where to start? I think I’ll start ...

The Bureau of Reclamation will pay $86.7 million toward Tucson's new water treatment plant, which will stretch the city's ...

Worries about future water supplies from the McMullen Valley's ancient aquifers are bubbling up in rural western Arizona. Salt River Project is partnering with ASU on a project to evaluate the ...

A plan to mine for vital minerals in the Patagonia Mountains will release millions of gallons of groundwater—and could impact ...

The aquifer is the only source of water for ... University of Arizona Cooperative Extension, said he expects Arizona Department of Water Resources to consider changes to how water allotments ...

Researchers from Princeton University and the University of Arizona have created a simulation that maps underground water on ...