Arizona is tussling with other states over how much of the Colorado River it should receive. But how will Arizonans divide ...

Colorado Parks and Wildlife found a single zebra mussel larva in the Colorado River near New Castle in early June, the latest ...

The clock is ticking on the Colorado River. The seven states that use its water are nearing a 2026 deadline to come up with ...

The seven states that share the Colorado River are floating a new concept for how water could be shared in the future, ...

An official from Utah, during a Colorado River conference at CU Boulder last month, framed the consideration as a “divorce” ...

As Coloradans gear up for a hot Fourth of July weekend, fire restrictions are in place for much of the parched western half ...

The Colorado River is known as one of the most spectacular rivers in the United States of America. It is a valuable source ...

California and six other states that use water from the Colorado River are nearing a 2026 deadline to come up with new rules for sharing shrinking supplies.

The Southwest and Rocky Mountain states are reviewing a plan that could split Colorado River water based on actual flows, not storage.

New details are emerging of what's being negotiated between the seven states who rely on the Colorado River — an "amicable ...

A top Interior Department official told negotiators they must have a plan by Nov. 11 or face the federal government taking ...

Mayors of Western cities are urging the Trump administration to take steps to help address water scarcity as climate change ...