Browse Dams

12,681 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 12,681 dams from the NID database. Each record includes dam name, location, physical dimensions, hazard potential classification, condition assessment, purpose, owner information, and emergency action plan status. Use the filters below to search by state, hazard level, condition, or keyword.

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Name State County Height (ft) Hazard Condition Year Purpose
Little Seneca Dam Maryland Montgomery 99 High Fair 1984 Water Supply
Locust Creek (Pa-423) Pennsylvania Schuylkill 98 High Fair 1964 Flood Risk Reduction
South Fork No. 9 West Virginia Pendleton 98 High Fair 1963 Flood Risk Reduction
Mission Montana Lake 98 High Fair 1935 Irrigation
Grizzly Forebay Dam California Plumas 98 High Fair 1928 Hydroelectric
Lake Tucker Dam Texas Palo Pinto 97 High Fair 1937 Water Supply
Clam Lake Dam Massachusetts Berkshire 97 High Fair 1977 Flood Risk Reduction
Goose Pond Run (Pa-464) Pennsylvania Monroe 97 High Fair 1975 Flood Risk Reduction
Jim Bridger Power Plant Surge Pond Wyoming Sweetwater 97 Significant Fair 1989 Water Supply
McSwain Dam California Mariposa 97 High Fair 1966 Hydroelectric
Lake Palo Pinto Dam Texas Palo Pinto 96 High Fair 1964 Water Supply
J C Bacon Pennsylvania Beaver 96 High Fair 1956 Water Supply
Williamson Dam Texas Eastland 96 High Fair 1923 Water Supply
W Fork Pt Remove Creek Wid Site 11 Arkansas Pope 96 Significant Fair 1964 Flood Risk Reduction
Daniels Idaho Oneida 96 High Fair 1967 Irrigation
Ellsworth Oklahoma Comanche 96 High Fair 1961 Water Supply
Grayrocks Wyoming Platte 95 High Fair 1980 Other
Hecla-Day Mine Aspen Tailings Dam Washington Ferry 95 Significant Fair 1940 Tailings
Big Goose Park (3rd Enl.) Wyoming Sheridan 95 High Fair 1958 Irrigation
Bell Canyon California Napa 95 High Fair 1959 Water Supply
Whitewater Brook Dam New Hampshire Sullivan 95 High Fair 1968 Water Supply
Rayburn Dam Arkansas Benton 95 Significant Fair 1973 Recreation
Galla Creek Wid Site 1 Arkansas Pope 95 High Fair 1975 Water Supply
22 - 36 Wyoming Johnson 95 Low Fair 2003 Irrigation
Lake Windsor Dam Arkansas Benton 95 Significant Fair 1974 Recreation
Bixhoma Lake Oklahoma Wagoner 95 Significant Fair 1965 Water Supply
Halligan Colorado Larimer 95 High Fair 1970 Irrigation
Cabin Creek Lower Colorado Clear Creek 95 High Fair 1967 Hydroelectric
North Lake Colorado Las Animas 94 High Fair 1963 Water Supply
Wildcat Colorado Pitkin 94 High Fair 1953 Recreation
Rmg Cell A Tsf Dam Nevada Nye 94 Significant Fair 1997 Tailings
Friendship Park Lake Dam Ohio Jefferson 94 High Fair 1972 Recreation
Otis Creek Dam (Mpd No W-7) Kansas Greenwood 94 High Fair 1971 Flood Risk Reduction
James Fork Dam & Reservoir Arkansas Sebastian 94 High Fair 1991 Water Supply
Esmeralda Project Tails Dam Nevada Mineral 93 Low Fair 1990 Tailings
SCS-Fourche Maline Creek Site-05 Oklahoma Latimer 93 High Fair 1964 Flood Risk Reduction
Lake Auman Dam North Carolina Moore 93 High Fair 1979 Recreation
Sevier Bridge Utah Juab 92 High Fair 1914 Irrigation
Lake Wynonah Pennsylvania Schuylkill 92 High Fair 1971 Recreation
Hatfield Dam Wisconsin Jackson 92 High Fair 1908 Hydroelectric
Stewarts Creek WS Dam #1a North Carolina Surry 91 High Fair 1972 Flood Risk Reduction
Patterson Creek No. 41 Dam West Virginia Grant 91 High Fair 1969 Flood Risk Reduction
Deep Creek Idaho Oneida 91 High Fair 1952 Other
El Dorado Forebay Dam California El Dorado 91 High Fair 1923 Hydroelectric
Marsh Creek Reservoir (Pa-437) Pennsylvania Chester 90 High Fair 1973 Recreation
Marshall Active Ash Basin Dam North Carolina Catawba 90 High Fair 1962 Other
Hodenpyl Michigan Wexford 90 High Fair 1925 Hydroelectric
Viva Naughton Wyoming Lincoln 90 High Fair 1967 Water Supply
Foote Mineral Tailings Dam North Carolina Cleveland 90 Low Fair 1958 Tailings
Hobbs Utah Davis 90 High Fair 1924 Irrigation

Frequently Asked Questions

Hazard potential is based on the consequences of dam failure, not the condition of the dam. High hazard means loss of human life is probable. Significant means economic and environmental losses are expected but no probable loss of life. Low means minimal losses are expected. The classification considers downstream population, infrastructure, and environmental resources.

Condition ratings reflect the physical state of the dam based on periodic inspections. Satisfactory means no deficiencies found. Fair means minor issues exist but no immediate action needed. Poor means safety deficiencies require remedial action. Unsatisfactory means the dam is unsafe and immediate corrective action is required.

Yes. Use the search field above to find dams by name. You can also combine the search with state, hazard, and condition filters to narrow your results. Each dam record links to a detail page with complete information.