Arizona Attorney General Kris Mayes says she is suing a Saudi Arabian agribusiness over what she calls “excessive pumping” of ...

Decades later, the waste pile it left behind was producing contaminated water that infiltrated the headwaters of the ...

Lawmakers and the governor can't agree on fixes to restart some housing growth in metro Phoenix, so state water officials are ...

States agree that climate change is making the Colorado River less reliable, but at a water conference, they did not meet to talk.