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

PHOENIX— A developer notified federal regulators today that it has abandoned plans for a 200-foot-tall dam along a remote, biodiverse stretch of the San Francisco River at the Arizona-New Mexico ...

In a blistering letter, water officials in Arizona, California and Nevada recently took the federal government to task for failing to plan adequate measures to protect crucial Glen Canyon Dam ...

Lake Powell and Glen Canyon Dam in Page, Ariz., in October 2023. (Bernie Friel / Getty Images) ...

The infrastructure problems at the dam in northern Arizona have come into focus over the last few years. If the levels of Lake Powell continue to decline and reach critically low levels ...