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Browse Dams

16,894 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 16,894 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
Santa Ynez Canyon California Los Angeles 157 High Satisfactory 1968 Other
Tuttle Creek Dam - Blue Rapids Levee Kansas Marshall 157 High Not Available 1963 Flood Risk Reduction
Tuttle Creek Dam Kansas Pottawatomie 157 High Not Available 1960 Flood Risk Reduction
Rifle Gap Dam Colorado Garfield 157 High Not Available 1967 Irrigation
Lake Patagonia Arizona Santa Cruz 157 High Satisfactory 1968 Recreation
Keswick Dam California Shasta 157 High Not Available 1950 Flood Risk Reduction
Barkley Lock and Dam Kentucky Lyon 157 High Not Available 1966 Navigation
Yatesville Dam Kentucky Lawrence 156 High Not Available 1988 Flood Risk Reduction
Black Butte Dam California Tehama 156 High Not Available 1963 Flood Risk Reduction
Nepaug Dam Connecticut Litchfield 156 High Fair 1918 Water Supply
Pensacola Oklahoma Mayes 155 High Satisfactory 1940 Hydroelectric
Table Rock Reservoir Dam South Carolina Pickens 155 High Satisfactory 1925 Water Supply
Clearwater Dam Missouri Wayne 155 High Not Available 1942 Flood Risk Reduction
Pomme De Terre Dam Missouri Hickory 155 High Not Available 1961 Flood Risk Reduction
Tugalo Georgia Habersham 155 High Satisfactory 1923 Hydroelectric
Bragg Fork Slurry Impoundment West Virginia Boone 155 High Not Available — Tailings
Wyman Maine Somerset 155 High Satisfactory 1930 Hydroelectric
Lewiston New York Niagara 155 High Satisfactory 1963 Hydroelectric
Prettyboy Dam Maryland Baltimore 155 High Fair 1936 Water Supply
Big Creek Dam No. 6 California Madera 155 High Satisfactory 1923 Hydroelectric
Dorena Dam Oregon Lane 154 High Not Available 1949 Flood Risk Reduction
Webster Dam Kansas Rooks 154 High Not Available 1956 Flood Risk Reduction
Tionesta Dam Pennsylvania Forest 154 High Not Available 1940 Flood Risk Reduction
Dierks Dam Arkansas Sevier 153 High Not Available 1975 Flood Risk Reduction
Big Dalton California Los Angeles 153 High Satisfactory 1929 Flood Risk Reduction
Mountain Home Colorado Costilla 153 High Satisfactory 1908 Irrigation
Stockton Dam Missouri Cedar 153 High Not Available 1969 Flood Risk Reduction
Mt. Storm Lake Dam West Virginia Grant 153 High Satisfactory 1964 Other
Carson City Treated Effluent Dam Nevada Carson City 152 High Fair — Other
Vail California Riverside 152 High Fair 1949 Water Supply
Belden Forebay California Plumas 152 High Fair 1958 Hydroelectric
Loveland Water Storage Colorado Larimer 152 High Satisfactory 1977 Water Supply
Wilson Dam Kansas Russell 152 High Not Available 1964 Flood Risk Reduction
Ice House Main California El Dorado 152 High Fair 1959 Hydroelectric
Muskingum River Upper Fly Ash Dam Ohio Washington 152 High Fair 1975 Tailings
Eleven Mile Canyon Colorado Park 151 High Satisfactory 1932 Water Supply
Little Panoche Detention California Fresno 151 High Not Available 1966 Flood Risk Reduction
Penn Forest Pennsylvania Carbon 151 High Satisfactory 1998 Water Supply
Scoggins Dam Oregon Washington 151 High Not Available 1975 Irrigation
San Justo Dam California San Benito 151 High Not Available 1987 Irrigation
Cowanesque Dam Pennsylvania Tioga 151 High Not Available 1980 Flood Risk Reduction
Kootenai Dvlpmnt Impoundment Dam Montana Lincoln 151 High Poor 1980 Other
Sawpit California Los Angeles 150 High Satisfactory 1927 Flood Risk Reduction
Arbuckle Dam Oklahoma Murray 150 High Not Available 1966 Flood Risk Reduction
Sugar Camp Branch Coal Refuse Impoundment West Virginia Nicholas 150 High Not Rated 2006 Tailings
James Creek Diversion Dam Nevada Eureka 150 High Fair 1985 Flood Risk Reduction
Watts Bar Dam Tennessee Meigs 150 High Not Available 1942 Flood Risk Reduction
Pactola Dike 2 South Dakota Pennington 150 High Not Available 1956 Flood Risk Reduction
Jemez Canyon Dam New Mexico Sandoval 150 High Not Available 1953 Flood Risk Reduction
Apalachia Dam North Carolina Cherokee 150 High Not Available 1943 Hydroelectric

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.