Browse Dams

17,049 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 17,049 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
Bear Gap No 6 Pennsylvania Columbia 70 High Satisfactory 1915 Water Supply
Big Cherry Rcc Dam Virginia Wise 70 High Fair - Water Supply
Mount Zircon Maine Oxford 70 High Fair 1914 Water Supply
Newark Reservoir Dam Delaware New Castle 70 High Fair 2005 Water Supply
Reba California Alpine 70 High Satisfactory 1965 Water Supply
Three Mile Reservoir (L.&C.) Montana Lewis and Clark 70 High Poor 1926 Irrigation
Lithco Mine Tailings Dam F North Carolina Gaston 70 High Fair 1992 Other
Mclendon Creek Dam North Carolina Moore 70 High Fair 2000 Recreation
Freshwater Dam West Virginia Boone 70 High Not Rated 1977 Recreation
Lowe Amd Impoundment West Virginia Harrison 70 High Not Available - Other
Thomas Hill Reservoir Dam Missouri Randolph 70 High Satisfactory 1966 Flood Risk Reduction
Briar Creek (Pa 498) Pennsylvania Columbia 70 High Fair 1987 Flood Risk Reduction
Morse Reservoir Dam Indiana Hamilton 70 High Satisfactory 1955 Water Supply
Winchester Dam Kentucky Clark 70 High Fair 1985 Water Supply
Cartecay River WS Str # 5 Georgia Gilmer 70 High Poor 1967 Flood Risk Reduction
Antietam Pennsylvania Adams 70 High Fair 1953 Water Supply
Browns Falls New York St. Lawrence 70 High Satisfactory 1922 Hydroelectric
Paint Creek Dam - Dike Ohio Highland 70 High Not Available 1973
Non Potable Reservoir Dam 2 Colorado El Paso 70 High Not Available 1961 Irrigation
Thousand Oaks Dam Missouri Platte 70 High Satisfactory 2002
Ludwig Lake Dam Arkansas Johnson 70 High Fair 1950 Water Supply
Happy Valley Oregon Wasco 70 High Poor 1938 Irrigation
Virgil Creek Watershed Floodwater Dam New York Tompkins 70 High Satisfactory 1998 Flood Risk Reduction
Covington Las Holding Dam Georgia Newton 70 High Satisfactory 2003 Water Supply
SCS-Sallisaw Creek Site-27 Oklahoma Sequoyah 70 High Not Rated 1964 Flood Risk Reduction
Lapoint Utah Uintah 70 High Fair 1985 Irrigation
Horner Reservoir Hawaii Maui 70 High Poor 1926 Irrigation
Haines Canyon Debris Dam California Los Angeles 70 High Not Available 1938 Debris Control
Standing Bear Dam Nebraska Douglas 70 High Not Available 1973 Flood Risk Reduction
Sabrina California Inyo 70 High Fair 1908 Hydroelectric
Blue Springs Dam Missouri Jackson 70 High Not Available 1988 Flood Risk Reduction
Comal River WS SCS Site 1 Dam Texas Comal 70 High Satisfactory 1979 Flood Risk Reduction
Atlanta-Fulton Reservoir #2 Dam Georgia Fulton 70 High Satisfactory 2006 Water Supply
Walnut Canyon Arizona Coconino 70 High Poor 1881 Irrigation
West Thompson Dam Connecticut Windham 70 High Not Available 1965 Flood Risk Reduction
Silver Lake Colorado Boulder 70 High Fair 1887 Water Supply
Black Tailings Dam Missouri Washington 70 High Satisfactory 1943 Tailings
Lower Two Medicine Montana Glacier 70 High Satisfactory 1967 Irrigation
Foster Idaho Franklin 70 High Fair 1962 Irrigation
Headgate Rock Arizona La Paz 70 High Satisfactory 1941 Irrigation
SCS-Delaware Creek Site-009 Oklahoma Johnston 70 High Fair 1966 Flood Risk Reduction
Douglas County State Lake Dam Kansas Douglas 70 High Fair 1961 Fish and Wildlife Pond
Trout Creek Colorado Chaffee 70 High Not Rated 2001 Irrigation
Upper Turtle River Flood Ret. 5 North Dakota Grand Forks 70 High Fair 1975 Flood Risk Reduction
Tesnatee Creek W/S Str. # 11m Georgia White 70 High Fair - Recreation
Yards Creek Upper - Main Dam New Jersey Warren 70 High Satisfactory 1965 Hydroelectric
Port Perry Dam Missouri Perry 70 High Satisfactory 1973 Recreation
Buford Dam - Saddle Dike 3 Georgia Gwinnett 70 High Not Available 1958
Tarryall Colorado Park 70 High Unsatisfactory 1929 Recreation
Lake George Dam Alabama Cullman 70 High Not Rated 1956 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.