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The USSD Committee on Public Awareness is responsible for maintaining current information on United States dams, hydropower projects and reservoirs, and cooperates with the ICOLD Committee on the World Register of Dams. Summary tables showing dam information for the United States are presented below. For more information regarding these statistics, please visit the National Inventory of Dams, or e-mail the National Inventory Data Team.
HIGHEST DAMS IN THE UNITED STATES
DAM NAME |
RIVER |
STATE |
OWNER |
FEET |
COMPLETED |
Oroville |
Feather |
California |
California DWR |
770 |
1968 |
Hoover |
Colorado |
Nevada |
Bureau of Reclamation* |
730 |
1936 |
Dworshak |
N. Fork Clearwater |
Idaho |
Corps of Engineers |
717 |
1973 |
Glen Canyon |
Colorado |
Arizona |
Bureau of Reclamation |
710 |
1964 |
New Bullards Bar |
North Yuba |
California |
Yuba County Water Agency |
645 |
1969 |
Seven Oaks |
Santa Ana |
California |
Corps of Engineers |
632 |
1999 |
New Melones |
Stanislaus |
California |
Bureau of Reclamation |
625 |
1979 |
Mossyrock |
Cowlitz |
Washington |
City of Tacoma |
606 |
1968 |
Shasta |
Sacramento |
California |
Bureau of Reclamation |
602 |
1945 |
Don Pedro |
Tuolumne |
California |
Turlock and Modesto Irrigation Districts |
585 |
1971 |
Hungry Horse |
S. Fork Flathead |
Montana |
Bureau of Reclamation |
564 |
1953 |
Grand Coulee |
Columbia |
Washington |
Bureau of Reclamation |
550 |
1942 |
Ross |
Skagit |
Washington |
City of Seattle |
540 |
1949 |
Trinity |
Trinity |
California |
Bureau of Reclamation |
538 |
1962 |
Yellowtail |
Bighorn |
Montana |
Bureau of Reclamation |
525 |
1966 |
Cougar |
S. Fork McKenzie |
Oregon |
Corps of Engineers |
519 |
1964 |
Flaming Gorge |
Green |
Utah |
Bureau of Reclamation |
502 |
1964 |
Source: USSD Register of Dams
LARGEST HYDRO PROJECTS IN THE UNITED STATES
|
DAM NAME |
RIVER |
LOCATION |
MW |
|
Grand Coulee |
Columbia |
Washington |
6180 |
|
Chief Joseph |
Columbia |
Washington |
2457 |
|
John Day |
Columbia |
Oregon |
2160 |
|
Bath County P/S |
Little Back Creek |
Virginia |
2100 |
|
Robert Moses - Niagara |
Niagara |
New York |
1950 |
|
The Dalles |
Columbia |
Oregon |
1805 |
|
Ludington |
Lake Michigan |
Michigan |
1872 |
|
Raccoon Mountain |
Tennessee River |
Tennessee |
1530 |
|
Hoover |
Colorado |
Nevada |
1434 |
|
Pyramid |
California Aqueduct |
California |
1250 |
Source: USSD Register of Dams
LARGEST MANMADE RESERVOIRS IN THE UNITED STATES
|
DAM NAME |
RESERVOIR |
LOCATION |
OWNER |
ACRE-FEET |
COMPLETED |
|
Hoover |
Lake Mead |
Nevada |
Bureau of Reclamation |
28,255,000 |
1936 |
|
Glen Canyon |
Lake Powell |
Arizona |
Bureau of Reclamation |
27,000,000 |
1964 |
|
Oahe |
Lake Oahe |
South Dakota |
Corps of Engineers |
19,300,000 |
1966 |
|
Garrison |
Lake Sakakawea |
North Dakota |
Corps of Engineers |
18,500,000 |
1953 |
|
Fort Peck |
Fort Peck Lake |
Montana |
Corps of Engineers |
15,400,000 |
1957 |
|
Grand Coulee |
F D Roosevelt Reservoir |
Washington |
Bureau of Reclamation |
9,562,000 |
1942 |
|
Libby |
Lake Koocanusa |
Montana |
Corps of Engineers |
5,809,000 |
1973 |
|
Shasta |
Lake Shasta |
California |
Bureau of Reclamation |
4,552,000 |
1945 |
|
Toledo Bend |
Toledo Bend Reservoir |
Louisiana and Texas |
Sabine River Authority of Texas and
Sabine River Authority, State of Louisiana |
4,477,000 |
1966 |
|
Fort Randall |
Lake Francis Case |
South Dakota |
Corps of Engineers |
3,800,000 |
1954 |
|
Flaming Gorge |
Flaming Gorge Reservoir |
Utah |
Bureau of Reclamation |
3,788,900 |
1964 |
|
Oroville |
Lake Oroville |
California |
California DWR |
3,540,000 |
1968 |
|
Hungry Horse |
Hungry Horse Reservoir |
Montana |
Bureau of Reclamation |
3,468,000 |
1953 |
|
Dworshak |
Dworshak Reservoir |
Idaho |
Corps of Engineers |
3,468,000 |
1973 |
|
Amistad |
Amistad International Reservoir |
Texas |
International Boundary Water Commission |
3,384,000 |
1969 |
|
Bull Shoals |
Bull Shoals Lake |
Arkansas |
Corps of Engineers |
3,048,000 |
1951 |
|
Sam Rayburn Dam |
Sam Rayburn Reservoir |
Texas |
Corps of Engineers |
2,898,200 |
1965 |
Source: USSD Register of Dams
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