Arizona is gearing up for a potential legal showdown to safeguard its water rights amid growing tensions over the Colorado ...

The committee also voted in support of two bills that would allow groundwater pumping regulations in protected areas to be ...

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

The result is that the federal Colorado Basin River Forecast Center is now predicting that April through July flows into ...

The Central Arizona Project, one of the state's most important pieces of infrastructure, is the focus of a public space to ...