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

Research over the last several years has led a team of scientists more insight on just how large an aquifer is at the crest of the Cascades.

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

Despite the term not being the most appealing, most Valley cities are currently using this method as a way to expand their ...

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

Despite the term not being the most appealing, most Valley cities are currently using this method as a way to expand their ...

A new study mapped continental groundwater flow, revealing that rain and snowmelt travel much farther and deeper underground ...

Seeking collaboration on solutions to conserve and extend the lifespan of vital water resources in the High Plains, the third Ogallala Aquifer Summit brought politicians and stakeholders from across ...

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 ...

Scientists have mapped the amount of water stored beneath volcanic rocks at the crest of the central Oregon Cascades and found an aquifer many times larger than previously estimated -- at least 81 ...