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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.

Name State County Height (ft) Hazard Condition Year Purpose
Boysen Dam Wyoming Fremont 220 High Not Available 1952 Flood Risk Reduction
Philpott Dam Virginia Franklin 220 High Not Available 1953 Flood Risk Reduction
McNary Lock and Dam Oregon Benton 220 High Not Available 1954 Navigation
Buchanan Dam California Madera 219 High Not Available 1975 Flood Risk Reduction
Causey Dam Utah Weber 218 High Not Available 1966 Irrigation
King Branch Slurry Dam Kentucky Knott 214 High Not Available — Tailings
Pathfinder Dam Wyoming Natrona 214 High Not Available 1909 Hydroelectric
Carter Lake Dam 1 Colorado Larimer 214 High Not Available 1952 Hydroelectric
Santa Rosa Dam New Mexico Guadalupe 214 High Not Available 1979 Flood Risk Reduction
Rockcamp Branch Refuse Disposal Facility West Virginia Nicholas 213 High Not Available — Tailings
Tiber Dam Montana Liberty 211 High Not Available 1956 Flood Risk Reduction
Stewart Mountain Dam Arizona Maricopa 210 High Not Available 1930 Hydroelectric
Starvation Dam Utah Duchesne 210 High Not Available 1970 Irrigation
Garrison Dam North Dakota Mercer 210 High Not Available 1953 Hydroelectric
Sutton Dam West Virginia Braxton 210 High Not Available 1960 Flood Risk Reduction
New Hogan Dam California Calaveras 210 High Not Available 1963 Flood Risk Reduction
Anchor Dam Wyoming Hot Springs 208 High Not Available 1960 Irrigation
Ice Harbor Lock and Dam Washington Walla Walla 208 High Not Available 1962 Navigation
Taylor Park Dam Colorado Gunnison 206 High Not Available 1937 Irrigation
Kentucky Dam Kentucky Livingston 206 High Not Available 1944 Flood Risk Reduction
William H. Harsha Dam Ohio Clermont 205 High Not Available 1973 Flood Risk Reduction
Big Bend Dam South Dakota Lyman 205 High Not Available 1963 Flood Risk Reduction
Fall Creek Dam Oregon Lane 205 High Not Available 1965 Flood Risk Reduction
Hartwell Dam Georgia Hart 204 High Not Available 1962 Hydroelectric
Emigrant Dam Oregon Jackson 204 High Not Available 1960 Flood Risk Reduction
Trinidad Dam Colorado Las Animas 203 High Not Available 1976 Flood Risk Reduction
Horseshoe Dam Arizona Maricopa 202 High Not Available 1946 Irrigation
Cedar Bluff Dam Kansas Trego 202 High Not Available 1951 Flood Risk Reduction
Douglas Dam Tennessee Sevier 202 High Not Available 1943 Flood Risk Reduction
Mojave River Dam - Saddle Dike 1 California San Bernardino 200 High Not Available 1971 Flood Risk Reduction
Mineral Park Tailings Dam Arizona Mohave 200 Significant Not Available — Tailings
Mojave River Dam California San Bernardino 200 High Not Available 1971 Flood Risk Reduction
Stillhouse Hollow Dam - Dike Texas Bell 200 High Not Available 1968 Flood Risk Reduction
Saddle Fork Dam Kentucky Perry 200 High Not Available — Tailings
Millstone Branch Slurry Impoundment No.2 Kentucky Pike 200 High Not Available — Tailings
Dale Hollow Dam Tennessee Clay 200 High Not Available 1943 Flood Risk Reduction
O'Sullivan Dam Washington Grant 200 High Not Available 1949 Flood Risk Reduction
J. Strom Thurmond Dam Georgia McCormick 200 High Not Available 1954 Hydroelectric
Davis Dam Arizona Mohave 200 High Not Available 1950 Hydroelectric
Stillhouse Hollow Dam Texas Bell 200 High Not Available 1968 Flood Risk Reduction
The Dalles Lock and Dam Oregon Klickitat 200 High Not Available 1957 Navigation
Gibson Dam Montana Teton 199 High Not Available 1929 Irrigation
Paonia Dam Colorado Gunnison 199 High Not Available 1962 Flood Risk Reduction
Tenkiller Ferry Dam - Dike Oklahoma Sequoyah 197 High Not Available 1952 Flood Risk Reduction
Nottely Dam Georgia Union 197 High Not Available 1942 Flood Risk Reduction
Bonneville Locks and Dam Oregon Multnomah 197 High Not Available 1938 Navigation
Wilson Hollow Slurry Imp West Virginia Monongalia 197 High Not Available — Tailings
Tenkiller Ferry Dam Oklahoma Sequoyah 197 High Not Available 1952 Flood Risk Reduction
Narrows Dam Arkansas Pike 196 High Not Available 1950 Flood Risk Reduction
Glendo Dam Wyoming Platte 196 High Not Available 1958 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.