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Browse Dams

92,625 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 92,625 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.

Name State County Height (ft) Hazard Condition Year Purpose
Greers Ferry Dam Arkansas Cleburne 251 High Not Available 1962 Flood Risk Reduction
Cochiti Dam New Mexico Sandoval 251 High Not Available 1975 Flood Risk Reduction
Sugar Pine California Placer 251 High Satisfactory 1981 Other
Rampart Colorado El Paso 250 High Satisfactory 1970 Hydroelectric
Midas Tailings Storage Facility Ph Iv Dam Nevada Elko 250 Significant Poor 1998 Tailings
Slab Creek California El Dorado 250 High Satisfactory 1967 Hydroelectric
Coolidge Arizona Gila 250 High Fair 1931 Irrigation
Salies Branch Slurry Impoundment Dam Virginia Wise 250 Undetermined Not Rated —
Britton Branch Refuse Dam Kentucky Leslie 250 High Not Available — Water Supply
Erie Basin 2 Minnesota St. Louis 250 Significant Satisfactory 1978 Tailings
Big Creek Dam No. 7 California Madera 250 High Satisfactory 1951 Hydroelectric
Lick Branch Refuse Impoundment Kentucky Pike 250 High Not Available — Tailings
John W. Flannagan Dam Virginia Dickenson 250 High Not Available 1963 Flood Risk Reduction
Mayfield Washington Lewis 250 High Unsatisfactory 1963 Hydroelectric
Cardinal Fly Ash No. 2 Dam Ohio Jefferson 250 High Satisfactory 2014 Tailings
Nantahala North Carolina Macon 250 High Satisfactory 1942 Hydroelectric
Leer Slurry Cell West Virginia Taylor 250 High Not Available — Tailings
Cedar Springs California San Bernardino 249 High Fair 1971 Water Supply
Mount Morris Dam New York Livingston 249 High Not Available 1952 Flood Risk Reduction
Lost Creek Dam Utah Morgan 248 High Not Available 1966 Irrigation
Norfork Dam Arkansas Baxter 248 High Not Available 1944 Flood Risk Reduction
Ball Mountain Dam Vermont Windham 247 High Not Available 1961 Flood Risk Reduction
Browns Run Impoundment West Virginia Marshall 246 High Not Available — Tailings
Cobble Mountain Reservoir Dam Massachusetts Hampden 245 High Satisfactory 1930 Water Supply
Lower Bear California Amador 245 High Satisfactory 1952 Hydroelectric
Oahe Dam - Fort Yates Flood Protection Project South Dakota Sioux 245 High Not Available 1966 Flood Risk Reduction
Pueblo Dam Colorado Pueblo 245 High Not Available 1975 Flood Risk Reduction
Arthur R. Bowman Dam Oregon Crook 245 High Not Available 1961 Flood Risk Reduction
Labelle Slurry Pond #3 Pennsylvania Fayette 245 High Satisfactory 1958 Other
Miller Cove Slurry Impoundment Dam Virginia Lee 245 Undetermined Not Rated —
Morris California Los Angeles 245 High Satisfactory 1935 Other
Pactola Dam South Dakota Pennington 245 High Not Available 1956 Flood Risk Reduction
Hughes Hollow Slurry Impoundment Pennsylvania Greene 245 High Satisfactory — Other
Oahe Dam South Dakota Stanley 245 High Not Available 1966 Flood Risk Reduction
Horsetooth-Dixon Canyon Colorado Larimer 245 High Not Available 1949 Irrigation
Kortes Dam Wyoming Carbon 244 High Not Available 1951 Hydroelectric
DeGray Dam - Saddle Dike Arkansas Clark 243 High Not Available 1969 Flood Risk Reduction
Mcelroy Run Dam West Virginia Pleasants 243 High Satisfactory 1978 Tailings
Applegate Dam Oregon Jackson 242 High Not Available 1980 Flood Risk Reduction
Mckays Point Diversion California Tuolumne 242 Significant Satisfactory 1989 Hydroelectric
Cardinal Fly Ash No. 1 Dam Ohio Jefferson 242 High Satisfactory 1974 Tailings
Twitchell Dam California Santa Barbara 241 High Not Available 1958 Flood Risk Reduction
Clifford D. Craig Memorial Dam Virginia Roanoke 241 High Fair — Water Supply
Blakely Mountain Dam Arkansas Garland 240 High Not Available 1953 Flood Risk Reduction
Deer Creek Dam Utah Wasatch 240 High Not Available 1941 Irrigation
Anderson California Santa Clara 240 High Unsatisfactory 1950 Water Supply
Francis E. Walter Dam Pennsylvania Luzerne 239 High Not Available 1961 Flood Risk Reduction
Stampede Dam California Sierra 239 High Not Available 1970 Irrigation
Mount St. Helens Sediment Retention Structure Washington Cowlitz 239 High Not Available 1988 Flood Risk Reduction
Smith Mountain Combination Pump Storage Virginia Pittsylvania 237 High Satisfactory 1964 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.