Three western U.S. states have announced a new two-year deal to stabilize the Colorado River. California, Nevada and Arizona ...

For decades, the Colorado River has delivered less water than allocated, with shrinking reservoirs making up the difference.

A Colorado School of Mines study adds "when" to the perennial water questions of "how much" and "where" water is flowing.

There’s a new plan on the table for managing the Colorado River after more than a year of deadlocked negotiations. Arizona, ...

Within charts listing projections of water levels, inflow and outflow, and anticipated releases for 15 reservoirs in the Colorado River Basin, one message was clear: The river is in dire straits and ...

Lake Powell is only 23 percent full. Without sustained action, water providers could face increasingly difficult decisions.

Offering a window into the five paths it will consider for the Colorado River, the Bureau of Reclamation released a road map to a seven-state deal. The agency released five alternatives to consider ...