As a spring heatwave hits the West, experts warn of shrinking Colorado River supplies. The Bureau of Reclamation is reviewing a federal plan to manage looming water shortages.

Thirsty plants are sucking up water that would otherwise end up in the Colorado River, according to a new study. The findings ...

The Colorado River system’s immediate outlook got even worse this week when federal forecasters downgraded the expected ...

Gov. Katie Hobbs pressed business leaders to back Arizona's bid for more Colorado River water as federal cuts loom, saying the state can't be shortchanged.

The San Diego County Water Authority doesn’t yet have a deal to discuss selling Colorado River water across state lines.

Forecasters dramatically cut projections for flows, teeing up impossible decisions for the Trump administration.

Extended warm weather across the Colorado River basin could reduce the amount of water delivered during spring runoff to a third of normal, according to federal forecasters.

The lower basin states of California, Arizona and Nevada are calling for mandatory water cuts in the upper basin states of ...

Documenting the Colorado River, Pete McBride's photography reflects on the drought and its impact on this vital water source.

Arizona leaders are getting antsy as the state’s water future hangs in limbo without a negotiated deal on Colorado River sharing guidelines and without federal intervention.

A wicked snow drought picked a bad year to plague the West, with the Colorado River already reeling. Arizona's local supplies ...

As a record-hot winter continues across much of the West, forecasters are dialing back estimates for how much water will flow ...