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Browse Dams

3,540 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 3,540 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
Stonewall Jackson Dam West Virginia Lewis 95 High Not Available 1986 Flood Risk Reduction
Big Creek Terminal Dam Iowa Polk 95 Low Not Available 1972 Flood Risk Reduction
Macoupin Energy/Refuse Disposal Area 5 Illinois Macoupin 95 High Not Available 1987 Other
Island Park Dam Idaho Fremont 94 High Not Available 1938 Irrigation
Fall River Dam Kansas Greenwood 94 High Not Available 1948 Flood Risk Reduction
Jonesville Lock and Dam Louisiana Catahoula 94 Significant Not Available 1972 Navigation
Guntersville Dam Alabama Marshall 94 High Not Available 1939 Flood Risk Reduction
Nolichucky Dam Tennessee Greene 94 High Not Available 1913 Fish and Wildlife Pond
Helena Valley Dam Montana Lewis and Clark 94 High Not Available 1959 Irrigation
Glendo Dike 3 Wyoming Platte 94 High Not Available 1959 Flood Risk Reduction
Hulah Dam Oklahoma Osage 94 High Not Available 1951 Flood Risk Reduction
Mt. Elbert Forebay Dam Colorado Lake 94 High Not Available 1981 Hydroelectric
Heron Dike New Mexico Rio Arriba 94 High Not Available 1971 Irrigation
Monroe Dam Indiana Monroe 93 High Not Available 1965 Flood Risk Reduction
Cordell Hull Lock and Dam Tennessee Smith 93 High Not Available 1973 Recreation
Lovewell Dam Kansas Jewell 93 High Not Available 1957 Flood Risk Reduction
Alum Creek Dam Ohio Delaware 93 High Not Available 1974 Flood Risk Reduction
Willow Creek BOR MT Dam Montana Lewis and Clark 93 High Not Available 1911 Irrigation
St. Anthony Falls Upper Lock and Dam Minnesota Hennepin 93 Significant Not Available 1963 Navigation
Deer Creek Dam Ohio Pickaway 93 High Not Available 1968 Flood Risk Reduction
Delaware Dam Ohio Delaware 92 High Not Available 1951 Flood Risk Reduction
Falls Lake Dam North Carolina Wake 92 High Not Available 1981 Flood Risk Reduction
Pine Canyon Dam - Saddle Dike 1 Nevada Lincoln 92 High Not Available 1957 Flood Risk Reduction
Pine Canyon Dam Nevada Lincoln 92 High Not Available 1957 Flood Risk Reduction
Bear Dam California Mariposa 92 High Not Available 1954 Flood Risk Reduction
Santa Fe Dam California Los Angeles 92 High Not Available 1949 Flood Risk Reduction
Island Creek Dam Virginia Mecklenburg 92 High Not Available 1951 Flood Risk Reduction
Jim Woodruff Lock and Dam Florida Jackson 92 High Not Available 1954 Navigation
Robin Branch Sediment Dam Kentucky Leslie 92 High Not Available — Other
Arkabutla Dam Mississippi DeSoto 92 High Not Available 1943 Flood Risk Reduction
Great Falls Dam Tennessee White 92 High Not Available 1916 Hydroelectric
Mt. Elbert Forebay Inlet/Outlet Dike Colorado Lake 92 High Not Available 1977 Hydroelectric
Hords Creek Dam Texas Coleman 91 High Not Available 1948 Water Supply
Millwood Dam - Okay Levee Arkansas Howard 91 High Not Available 1966 Flood Risk Reduction
Lewiston Dam California Trinity 91 High Not Available 1963 Water Supply
Dardanelle Lock and Dam Arkansas Pope 90 Significant Not Available 1969 Navigation
Zorinsky Dam Nebraska Douglas 90 High Not Available 1985 Flood Risk Reduction
Aylesworth Creek Dam Pennsylvania Lackawanna 90 High Not Available 1970 Flood Risk Reduction
Stampede Dike California Sierra 90 High Not Available 1970 Flood Risk Reduction
Toronto Dam Kansas Woodson 90 High Not Available 1960 Flood Risk Reduction
Columbia Lock and Dam Louisiana Caldwell 90 Significant Not Available 1970 Navigation
Emigrant Highway Dike Oregon Jackson 90 High Not Available 1960 Flood Risk Reduction
Glen Elder Downs Protective Dike Kansas Osborne 90 High Not Available 1969 Flood Risk Reduction
Woodcock Creek Dam Pennsylvania Crawford 90 High Not Available 1973 Flood Risk Reduction
Almond Dam New York Steuben 90 High Not Available 1949 Flood Risk Reduction
Farmdale Dam Illinois Tazewell 90 High Not Available 1951 Flood Risk Reduction
Slurry Pond No. 1 Pennsylvania Greene 90 Low Not Available — Water Supply
Little Bear Creek Dam Alabama Franklin 89 High Not Available 1975 Flood Risk Reduction
Heyburn Dam Oklahoma Creek 89 High Not Available 1950 Flood Risk Reduction
Hop Brook Dam Connecticut New Haven 89 High Not Available 1968 Flood Risk Reduction

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.