Hoover Dam Location: Arizona-Nevada Border

Icon of the Colorado River

Hoover Dam is located on the Colorado River at the border between Arizona and Nevada, approximately 30 miles (48 km) southeast of Las Vegas.

Key Details

• Coordinates: 36°00′56″N 114°44′16″W
• Reservoir: Lake Mead (largest U.S. reservoir by capacity).
• Type: Concrete arch-gravity dam.
• Height: 726.4 ft (221.4 m).
• Crest Length: 1,244 ft (379 m).
• Power: 2,080 MW (17 turbines).
• Completed: 1936 (dedicated by FDR).
• Name: Originally Boulder Dam; renamed 1947 for Herbert Hoover.

The dam created Lake Mead, providing water for 25M+ people (Las Vegas, Phoenix, Tucson, San Diego, Los Angeles, Mexico) and irrigation for 1.5M acres. The Mike O'Callaghan–Pat Tillman Memorial Bridge (US-93 bypass) crosses downstream.