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

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 Pleasant is popular for boating, swimming and camping. But do you know how it was named? It's not named for its calm ...

Constructed along the Colorado River at the border of Nevada and Arizona, more than 21,000 workers helped erect the dam, situated about 30 miles southeast of Las Vegas, during the Great Depression ...

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 ...

The contracts in the Lower Basin states — those downstream of Glen Canyon Dam — totaled nearly $664 million. Mohave Valley Irrigation District in northwestern Arizona signed on to save ...

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