A letter from California Governor Gavin Newsom to fellow governors in states along the Colorado River is offering support for a multi-state solution to managing the water supply for 40 million people.

The U.S. Department of the Interior said it would be moving forward with its proposed plans to manage the Colorado River ...

Federal officials stepped in after states failed to endorse a new management plan.

The lawsuit is centered on a controversial development near Moab but could impact development in other parts of the state.

Ahead of the federal deadline for Colorado River negotiations, Utah officials are discussing the future of the operating agreement, as a deal has not been reached.

Radioactive mill waste has largely been removed from the Colorado River site, with remaining cleanup continuing toward a planned 2029 closure.