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Browse Dams

7,711 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 7,711 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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Ryland Lakes Dam No 3 Kentucky Kenton 40 Low Poor 1920 Recreation
Charisma Lake Dam Indiana Jackson 40 Significant Poor — Fish and Wildlife Pond
Chadron Dam 1 Nebraska Dawes 40 Low Poor 1888 Water Supply
James Lake Wyoming Albany 40 Low Poor 1908 Irrigation
Lake Kannapolis Dam North Carolina Rowan 40 High Poor 1940 Water Supply
Krebs Oklahoma Pittsburg 40 Significant Poor 1932 Water Supply
Pretty Prairie Creek Road Dam Indiana Tippecanoe 40 Significant Poor 1960 Recreation
Lock 33 Dam Erie Canal New York Monroe 40 High Poor 1908 Hydroelectric
Clark Lake No. 2 Dam Ohio Pickaway 40 Low Poor — Recreation
Wallowa Lake Oregon Wallowa 40 High Poor 1931 Irrigation
New Milford Reservoir #4 Dam Connecticut Litchfield 40 Significant Poor 1900 Recreation
Amick Upground Reservoir Ohio Morrow 40 High Poor 1968 Water Supply
Windmill Plantation Lake Dam Georgia Columbia 40 High Poor 1985 Recreation
Hinckley Lake Dam Ohio Medina 40 High Poor 1928 Recreation
Mount Williams Reservoir Dam & Dike Massachusetts Berkshire 40 High Poor 1914 Water Supply
Mount Saint Francis Indiana Floyd 40 Low Poor 1949
Aepoekolu Reservoir Kauai 40 High Poor 1910 Irrigation
Rank Dam South Dakota Buffalo 40 High Poor 1935 Recreation
Upper Golden Hills Dam South Carolina Lexington 40 High Poor — Recreation
Mock Bass Wyoming Sheridan 40 Low Poor 1966 Fire Protection, Stock, Or ...
Zachariah Lake Dam Kentucky Lee 40 High Poor 1950 Other
Seven Springs Lake Dam Ohio Medina 40 High Poor 1961 Recreation
2nd Enl. Guild & Dean Wyoming Uinta 40 Low Poor 2001 Irrigation
Bridge Dam Wyoming Natrona 40 Low Poor 1957 Debris Control
Mill - Canton Creek W/S Structure No. 7 Dam Georgia Cherokee 40 High Poor 1963 Flood Risk Reduction
Bull Run Dam Nevada Elko 40 Low Poor 1955 Irrigation
Indian Creek Pennsylvania Fayette 40 High Poor 1905 Water Supply
Las Tablas Creek California San Luis Obispo 40 Low Poor 1961 Other
Frd No 32 Kansas Lincoln 40 Significant Poor 1978 Flood Risk Reduction
Jurgens Dam Nebraska Pawnee 40 Low Poor 1949 Other
Canajoharie Reservoir Dam New York Fulton 40 Significant Poor 1948 Water Supply
Marion County Sportsmans Dam Kentucky Marion 40 High Poor 1953 Recreation
Griffin Pennsylvania Lackawanna 40 High Poor 1888 Water Supply
Ruckers Lake Dam Virginia Greene 40 High Poor — Recreation
Bridge Creek Dam Ohio Geauga 40 High Poor 1961 Water Supply
Frd No T-4 Kansas Brown 40 High Poor 1964 Flood Risk Reduction
Lake Maria Dam Ohio Richland 40 Significant Poor 1958 Recreation
Bonneville Wyoming Fremont 40 Low Poor 1914 Other
Lake Rupert Dam Ohio Vinton 40 High Poor 1968 Water Supply
Kepani Reservoir Kauai 40 High Poor 1954 Irrigation
Snafu Wyoming Park 40 Low Poor 1967 Other
Lake Herington Kansas Dickinson 40 High Poor 1923 Recreation
Sycamore Ridge Dam Indiana Floyd 40 High Poor 1964 Recreation
Trapped Rock New Mexico McKinley 40 High Poor 1993 Flood Risk Reduction
Openwood Plantation Lake Number 1 Dam Mississippi Warren 40 Undetermined Poor — Recreation
Canyon Diablo Arizona Coconino 40 Low Poor 1966 Flood Risk Reduction
Caballo Arroyo Dam No. 5 New Mexico Doña Ana 40 Significant Poor 1960 Flood Risk Reduction
Belvedere Golf Resort Lake Dam Arkansas Garland 40 Low Poor 1971 Recreation
Speas Dam Nebraska Sioux 40 Low Poor 1952 Fire Protection, Stock, Or ...
Paradise Lakes - South Lake Dam Ohio Preble 40 High Poor 1946 Recreation

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.