The nations were trying to finalize updates to the 61-year-old Columbia River Treaty governing shared, cross-border water and ...

California, Arizona and Nevada are urging the Trump administration to change course on the Colorado River. The states are ...

The Colorado River Basin is divided into upper and lower portions. It provides water to the Colorado River, a water source that serves 40 million people over seven states in the southwestern ...

A slow start to winter snow could raise the stakes in Colorado River talks ... over the last decade. Heaping all of the future cuts onto the Lower Basin could actually zero out a major water ...