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

Below Mount Jefferson and McKenzie Pass is a massive storehouse of water three times the size of Lake Mead, say Oregon researchers.

A rocky start to the year has put water flows through America's second-largest reservoir on track to decline, unless ...

Central Arizona is preparing for more intense droughts and floods through major water projects with federal support.

After years of studying and experimenting with pilot programs, the future of Colorado River management will almost certainly ...

The Biden administration claimed a victory on Friday, saying it had “successfully staved off a crisis in the Colorado River Basin in the short term and set it up for success in the years ...

From Lake Mead to Lake Tahoe, plenty of water bodies are sprinkled across Nevada and are suitable for boating.

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

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

The excursion is along the Colorado River's Black Canyon National Water Trail— crossing the widest single-arch concrete ...