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 ...

The 726-foot-high concrete Hoover Dam, which sits on the Arizona-Nevada border, stores water that irrigates 2 million acres in California and Arizona, in addition to generating hydroelectric power ...

Mark your calendars, music lovers and thrill-seekers! The 18th Annual Beaver Dam Jam is set to electrify Beaver Dam, Arizona, ...

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 infrastructure problems at the dam in northern Arizona have come into focus over the last few years. If the levels of ...