Catfish, carp, bass, walleye and perch all swim in the Colorado River below Glen Canyon dam, and all are harmful to natives in some way, Stevens said. But the main concerns, he said, are bass, walleye ...

States that use Colorado River water need to agree on new rules for sharing it by 2026. If they don't, they will likely end ...

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

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

A set of Glen Canyon Dam pipes that were eroding from the inside have been recoated — two months early and under budget, ...

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

The Bureau of Reclamation and the National Park Service have completed modifications to a warmwater slough in the Colorado ...

Arizona’s water chief is offering a new path out of the morass in Colorado River negotiations — a proposal to tie future ...

A reporter for the Arizona Daily Sun recently noticed a troubling detail in the appendix of a proposed package of programming ...

The Trump administration wants to strip funding for two U.S. Geological Survey labs in Flagstaff that research the Colorado ...