The Lower Basin states of Arizona, California and Nevada argue that the Upper Basin states of Colorado, New Mexico, Utah and Wyoming should face mandatory cuts to their water allocations post-2026.

Arizona and Colorado officials are building war chests for possible future litigation over Colorado River water rights even ...

There are five options of what management of the vital waterway could look like after the current rules expire in August.

Two months after the seven states of the Colorado River basin failed to reach consensus on managing the waterway, the U.S.

As Colorado continues to negotiate with the seven Colorado River basin states on the post-2026 operations of Lake Powell and ...

With the seven basin states locked in a stalemate over Colorado River negotiations, the U.S. Bureau of Reclamation released ...

I don’t think anything in here was new to (states’ negotiators), so this doesn’t necessarily change the calculus. … This ...

Scientists at the University of Illinois Urbana-Champaign can now differentiate between human-derived and hydrological ...

Scientists at the University of Illinois Urbana-Champaign can now differentiate between human-derived and hydrological ...