A new study warns that the Colorado River's condition is worse than believed, with urgent cuts in water use needed.

The authors of a new study say the Colorado River's huge reservoirs hold less useable water than the numbers suggest.

Arizona officials are pushing for states in the Upper Basin to take bigger cuts on their use of the drought-stricken river.

With a critical Nov. 11 deadline fast approaching, negotiators from the seven Colorado River basin states remain at odds over ...

An extraordinary drought in the West is drying up the Colorado River and draining the nation's largest reservoirs -- Lake Mead and Lake Powell. And amid the overuse of the river and the aridification ...

DENVER (AP) — Arizona, Nevada and Mexico will again live with less water from the Colorado River as drought lingers in the West, federal officials announced Friday. The Colorado River is a critical ...

Federal water managers decide shortage levels each year in August, based on projected water levels at Lake Mead and Lake Powell for the start of the following year. Photo by Jeniffer Solis | Nevada ...

A group of environmental advocates earlier this year sent a petition to the federal government with a simple, seemingly obvious message: Ensure that water from the imperiled Colorado River is only ...

SALT LAKE CITY (AP) — Hydroelectric turbines may stop turning. Las Vegas and Phoenix may be forced to restrict water usage or growth. Farmers might cease growing some crops, leaving fields of lettuce ...

Federal water managers decide shortage levels each year in August, based on projected water levels at Lake Mead and Lake Powell for the start of the following year. (Photo: Jeniffer Solis/Nevada ...

DENVER (AP) — Arizona, Nevada and Mexico will again live with less water from the Colorado River as drought lingers in the West, federal officials announced Friday. The Colorado River is a critical ...