The Ranegras Plain Groundwater Basin covers a rural stretch of desert in central La Paz and northern Yuma counties. It ...

Upper Colorado River Basin states will have to accept cuts in their water use to make a seven-state deal work, says an ...

The 1980 Groundwater Management Act established Arizona’s first four AMAs — Phoenix, Prescott, Tucson and Pinal.

Since 2014, an influx of out-of-state interests have drilled nearly 200 agricultural wells in Mohave County’s Hualapai Valley groundwater basin, straining the aquifer and putting residential water ...

As usual, A-Bay was one of the first two ski resorts to open this year, tying Loveland in the race to crank up the chairlifts on October 29. Only a few runs are open at the moment, but that will ...

It’s easy to weigh in from the sidelines,” a legal observer says. “But I think what’s not being talked about is the real ...

While most people think of the Amazon when discussing tropical rainforests, there's another colossal green giant quietly ...

Colorado River states missed a deadline. Now what? Some environmental groups are expressing their disappointment that the seven Colorado River Basin states failed this week to reach a consensus on ...