Dam, Hydropower and Reservoir Statistics


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


*For detailed information about Bureau of Reclamation dams, visit http://www.usbr.gov/dataweb/dams/index.html.





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