A high-resolution groundwater map shows how underground water varies across the U.S., with new insights for agriculture and ...

PHOENIX – Arizona Gov. Katie Hobbs unveiled Thursday a groundwater model and the Arizona Department of Water Resources’ latest study of groundwater conditions across the Phoenix Metro area. In ...

How much fresh water is in the United States? It's a tough question, since most of the water is underground, accessible at ...

In the far west side of the Valley of the Sun – flanking what opponents once dubbed the “road to nowhere” – the City of Buckeye has approved 27 master planned communities and two planning areas that ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Continued development could reduce the groundwater flowing beneath the Four Corners area and more ...