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

States in the upper and lower halves of the Colorado River basin have spent the last few months negotiating how water cuts ...

As Colorado River stakeholders scramble to negotiate the basin’s long-term operational guidelines, the Trump administration ...

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

Jay Famiglietti, a global futurist professor at Arizona State University and one of the authors of the research, said ...

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

The proposal would base annual releases from Powell to the three Lower Colorado River Basin states — Arizona, California and Nevada — on a fixed percentage of the average amount ...

The Colorado River is a critical source of water for Arizona ... should take any administered water cuts, as lower basin states like Arizona have already taken cuts. Now, the basin states have begun ...

The study found groundwater tables in the Lower Colorado River basin, and Arizona in particular, have declined significantly in the last decade.

Upper Basin officials maintain they already suffer annual shortages of about 1.3 million acre-feet because they are squeezed by climate change and shouldn’t have to share additional cuts because their ...

A market-based approach to managing water in the Colorado River basin could provide more reliable supplies for farmers, ...