Hoover Dam | |
---|---|
Official name | Hoover Dam |
Location | Clark County, Nevada/Mohave County, Arizona, U.S. |
Purpose | Power, flood control, water storage, regulation, recreation |
Status | Operational |
Construction began | 1931 |
Opening date | 1936 (88 years ago) (1936) |
Construction cost | $49 million (1931 budget) ($790 million in 2023 dollars[1]) |
Owner(s) | United States government |
Operator(s) | U.S. Bureau of Reclamation |
Dam and spillways | |
Type of dam | Concrete gravity-arch dam |
Impounds | Colorado River |
Height | 726.4 ft (221.4 m) |
Length | 1,244 ft (379 m) |
Elevation at crest | 1,232 ft (376 m) |
Width (crest) | 45 ft (14 m) |
Width (base) | 660 ft (200 m) |
Dam volume | 3,250,000 cu yd (2,480,000 m3) |
Spillway type | 2 controlled Drum-Gate, Side channel |
Spillway capacity | 400,000 cu ft/s (11,000 m3/s) |
Reservoir | |
Creates | Lake Mead |
Total capacity | 28,537,000 acre⋅ft (35.200 km3) |
Active capacity | 15,853,000 acre⋅ft (19.554 km3) |
Inactive capacity | 10,024,000 acre⋅ft (12.364 km3) |
Catchment area | 167,800 sq mi (435,000 km2) |
Surface area | 247 sq mi (640 km2)[2] |
Maximum length | 112 mi (180 km) |
Maximum water depth | 590 ft (180 m) |
Normal elevation | 1,219 ft (372 m) |
Power Station | |
Operator(s) | U.S. Bureau of Reclamation |
Commission date | 1936–1960 |
Hydraulic head | 590 ft (180 m) (Max) |
Turbines |
|
Installed capacity | 2,078.8 MW |
Capacity factor | 23% |
Annual generation | 3.3 TWh (12 PJ) (2020)[3] |
Website Bureau of Reclamation: Lower Colorado Region - Hoover Dam |
|
Hoover Dam
|
|
Nearest city | Boulder City, Nevada |
Coordinates | 36°0′56″N 114°44′16″W / 36.01556°N 114.73778°W / 36.01556; -114.73778 |
Built | 1933 |
Architect | Six Companies, Inc. (structural), Gordon Kaufmann (exteriors) |
Architectural style | Art Deco |
MPS | Vehicular Bridges in Arizona MPS (AD) |
NRHP reference No. | 81000382 |
Significant dates | |
First Power Generation | September 11, 1936[6] |
Added to NRHP | April 8, 1981[4] |
Designated NHL | August 20, 1985[5] |
Hoover Dam | |
---|---|
Official name | Hoover Dam |
Location | Clark County, Nevada/Mohave County, Arizona, U.S. |
Purpose | Power, flood control, water storage, regulation, recreation |
Status | Operational |
Construction began | 1931 |
Opening date | 1936 (88 years ago) (1936) |
Construction cost | $49 million (1931 budget) ($790 million in 2023 dollars[1]) |
Owner(s) | United States government |
Operator(s) | U.S. Bureau of Reclamation |
Dam and spillways | |
Type of dam | Concrete gravity-arch dam |
Impounds | Colorado River |
Height | 726.4 ft (221.4 m) |
Length | 1,244 ft (379 m) |
Elevation at crest | 1,232 ft (376 m) |
Width (crest) | 45 ft (14 m) |
Width (base) | 660 ft (200 m) |
Dam volume | 3,250,000 cu yd (2,480,000 m3) |
Spillway type | 2 controlled Drum-Gate, Side channel |
Spillway capacity | 400,000 cu ft/s (11,000 m3/s) |
Reservoir | |
Creates | Lake Mead |
Total capacity | 28,537,000 acre⋅ft (35.200 km3) |
Active capacity | 15,853,000 acre⋅ft (19.554 km3) |
Inactive capacity | 10,024,000 acre⋅ft (12.364 km3) |
Catchment area | 167,800 sq mi (435,000 km2) |
Surface area | 247 sq mi (640 km2)[2] |
Maximum length | 112 mi (180 km) |
Maximum water depth | 590 ft (180 m) |
Normal elevation | 1,219 ft (372 m) |
Power Station | |
Operator(s) | U.S. Bureau of Reclamation |
Commission date | 1936–1960 |
Hydraulic head | 590 ft (180 m) (Max) |
Turbines |
|
Installed capacity | 2,078.8 MW |
Capacity factor | 23% |
Annual generation | 3.3 TWh (12 PJ) (2020)[3] |
Website Bureau of Reclamation: Lower Colorado Region - Hoover Dam |
|
Hoover Dam
|
|
Nearest city | Boulder City, Nevada |
Coordinates | 36°0′56″N 114°44′16″W / 36.01556°N 114.73778°W / 36.01556; -114.73778 |
Built | 1933 |
Architect | Six Companies, Inc. (structural), Gordon Kaufmann (exteriors) |
Architectural style | Art Deco |
MPS | Vehicular Bridges in Arizona MPS (AD) |
NRHP reference No. | 81000382 |
Significant dates | |
First Power Generation | September 11, 1936[6] |
Added to NRHP | April 8, 1981[4] |
Designated NHL | August 20, 1985[5] |