The Hoover Dam can produce enough electricity for roughly 1.3 million Americans each year. ... and I think there is a lot of room for conservation both of water and energy,” she said.

Before the Hoover Dam, farmers downstream had a lot of water only in the spring when the snowpack melted. Then the water would peter out by the end of the summer.

A picture shows Hoover Dam overflowing in 1983, when it reached its highest water level. Bob Riha Jr/Getty Glennon said there are videos still circulating of the workers creating Hoover Dam.

First called Boulder Dam, the big dam helped create energy, distribute water through the Southwest. Some want to get rid of ...

The Hoover Dam captures water from the Colorado River and fills Lake Mead. The dam also generates enough energy each year to serve 1.3 million people in Nevada, Arizona and California, the ...

The 726-foot-high arch-gravity dam stretches 1,244 feet across the Black Canyon and was built over five years starting in 1931, helping provide water and hydroelectrical power to the West.

America's two largest reservoirs are in trouble. The Colorado River feeds Lake Powell, and Lake Mead, and both are at near-record lows, which is threatening the water and power supply for tens of ...

If the state loses the Hoover Dam's hydropower, the drive for consistent, clean energy to support clean energy cars becomes less clear. "If we lose a lot of hydropower, it will be a problem ...