The Hoover Dam The Hoover Dam, which stands at 726 feet, was the world’s tallest dam at the time of it completion in 1935. It took just four years (1931-1935) to build this massive structure. Although larger dams have been built it still ranks as one of the tallest. The dam is located between Nevada and Arizona along the Colorado River. This massive dam was the idea of President Herbert Hoover. The structure’s name was …showed first 75 words of 866 total…

…showed last 75 words of 866 total…generates more than 4 billion kilowatt-hours a year, which is enough power to serve 1.3 million people. Hoover is still today one of the country’s largest power suppliers. The total cost of the Hoover Dam was $165 million. This has now all been repaid to the Federal Treasury through the power the dam generates. This was exactly what President Hoover had envisioned, a dam that would be self-supporting, financed entirely through the sale of its hydroelectric power.