Several operating guidelines and agreements that govern Colorado River management are set to expire this year.

Officials in drought-stricken Arizona are moving to regulate groundwater on the state's western edge where wells have been ...

Arizonans looking for a beach escape that's not in Mexico or Southern California can try Lake Havasu, popular for outdoor ...

The Draft Environmental Impact Statement for Post-2026 Operations of Lake Powell and Lake Mead The Colorado River Basin, a ...

A draft environmental impact statement by the Bureau of Reclamation outlines post-2026 Colorado River dam operations, ...

The Interior Department has released a new draft plan with five possible approaches for managing drought on the Colorado ...

Amid stalled state negotiations over how to share the Colorado River’s dwindling water supply, the Bureau of Reclamation on ...

With rules governing the hard-hit Colorado River set to expire, the Trump administration weighs options for dealing with ...

The Bureau of Reclamation on Friday released a draft of options for how to manage the Colorado River water supply for years ...

"January 1 water supply forecasts are generally well below normal," the Colorado Basin River Forecast Center said.

While things are rosy at Roosevelt Lake, reservoirs on the Colorado River are still hurting, and Arizona's wet winter has turned into a dry spring. Tucson rainfall March rainfall at Tucson ...

As Lake Powell drops toward critical thresholds, engineers are making long-term infrastructure decisions even as Colorado ...