Several operating guidelines and agreements that govern Colorado River management are set to expire this year.

The next step is not optimism. It is alignment. Arizona should stop approving new growth that depends on Colorado River water ...

Lake Mead, in the Colorado River system, is an important supplier of water to the Golden State. It is the largest U.S.

Hidden in Arizona’s side of Lake Mead is a forgotten network of mine roads — and if you know where to look, one leads to a view of Las Vegas itself. This journey winds through old claims, silent ...

Southern Nevada begins 2026 under Tier 1 water shortage restrictions, a challenge that’s been beaten before. In fact, water ...

Work is scheduled to begin on Monday, Jan. 5, to improve Willow Beach Road on the Arizona side of Lake Mead National Recreation Area. The project is expected to finish around the middle of March.

Lake Mead, the largest reservoir in the United States, has fallen to some of the lowest water levels ever recorded. The ...

Lush green fields of alfalfa spread across thousands of acres in a desert valley in western Arizona, where a dairy company ...

Maricopa and Yuma counties recorded the wettest fall seasons in state history, but the remainder of the state remained below ...

Seven states share one river, and nowhere is the risk clearer than in central Arizona. The Colorado River was never meant to support unlimited growth, yet the Phoenix metro area has expanded to more ...

A new report compiled by the University of Colorado's Colorado River Research Group warns that threats to the river's water supply are now so severe that they pose a significant risk to the water ...