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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
Savage California San Diego 149 High Poor 1919 Water Supply
Ler Crystal Springs California San Mateo 149 High Satisfactory 1888 Water Supply
Florence Lake California Fresno 149 High Fair 1926 Hydroelectric
Pol40 Florida Polk 149 Undetermined Not Rated — Tailings
Whitlow Ranch Dam Arizona Pinal 149 High Not Available 1959 Flood Risk Reduction
Simon Freese Dam Texas Coleman 149 High Satisfactory 1989 Water Supply
Greystone Tails Dam Nevada Lander 148 Low Fair 1954 Tailings
Berry Creek Oregon Douglas 148 High Satisfactory 1980 Water Supply
Cave Run Dam Kentucky Bath 148 High Not Available 1965 Flood Risk Reduction
Bagnell Missouri Miller 148 High Satisfactory 1931 Hydroelectric
Joe Wright Colorado Larimer 148 High Satisfactory 1979 Water Supply
Clark Canyon Dam Montana Beaverhead 148 High Not Available 1964 Flood Risk Reduction
Chatfield Dam Colorado Douglas 148 High Not Available 1973 Flood Risk Reduction
Mann Creek Dam Idaho Washington 148 High Not Available 1967 Irrigation
W. Kerr Scott Dam North Carolina Wilkes 148 High Not Available 1963 Flood Risk Reduction
Los Padres California Monterey 148 High Satisfactory 1949 Other
Middlefield Reservoir California Alameda 147 High Satisfactory 1958 Water Supply
Buick Tailings Dam Missouri Reynolds 147 High Satisfactory 1981 Tailings
Puddingstone California Los Angeles 147 High Satisfactory 1928 Flood Risk Reduction
J. Percy Priest Dam Tennessee Davidson 147 High Not Available 1967 Flood Risk Reduction
Santa Cruz Dam New Mexico Santa Fe 147 High Satisfactory 1929 Irrigation
Milford Dam Kansas Geary 147 High Not Available 1966 Flood Risk Reduction
Horne No 5 Slurry Pennsylvania Washington 146 High Satisfactory 1984 Other
Buchanan Dam Texas Burnet 146 High Satisfactory 1937 Irrigation
River View West Slurry Lake Kentucky Union 146 High Not Available — Tailings
Wood Ranch California Ventura 146 High Satisfactory 1965 Water Supply
Barren River Dam Kentucky Allen 146 High Not Available 1964 Flood Risk Reduction
Dry Comal Ck FRS 11 Texas Comal 146 High Satisfactory 2012
Palisades Reservoir California Orange 146 High Satisfactory 1963 Water Supply
Spier Falls New York Warren 146 High Satisfactory 1903 Hydroelectric
Ochoco Dam Oregon Crook 146 High Not Available 1920 Fish and Wildlife Pond
Lake Fordyce California Nevada 145 High Poor 1873 Hydroelectric
Oakley Idaho Cassia 145 High Fair 1916 Irrigation
Cowlitz Falls Washington Lewis 145 Significant Satisfactory 1994 Hydroelectric
Cutter New Mexico San Juan 145 High Satisfactory 1972 Irrigation
Shadehill Dam South Dakota Perkins 145 High Not Available 1951 Flood Risk Reduction
Rattlesnake Dam Alabama Walker 145 Significant Not Rated 1979 Other
Richard L. Schafer Dam California Tulare 145 High Not Available 1961 Flood Risk Reduction
Waco Dam Texas McLennan 145 High Not Available 1965 Flood Risk Reduction
Young Mill Tailings Dam Tennessee Jefferson 145 Significant Satisfactory 1998 Tailings
Crane Valley California Madera 145 High Fair 1910 Hydroelectric
Northfield Mt. - Main Dam Massachusetts Franklin 145 High Satisfactory 1973 Hydroelectric
Mill Creek Storage Dam Washington Walla Walla 145 High Not Available 1942 Flood Risk Reduction
Fmcp Cooling Pond Cell A Florida Polk 145 Significant Not Rated 1978 Tailings
Folsom Right Wing California Sacramento 145 High Not Available 1956 Flood Risk Reduction
Development No. 2 Dam Oregon Clackamas 145 High Satisfactory 1962 Water Supply
North Dam Washington Grant 145 High Not Available 1951 Flood Risk Reduction
Patoka Lake Dam Indiana Dubois 145 High Not Available 1978 Flood Risk Reduction
Folsom Left Wing California Sacramento 145 High Not Available 1956 Flood Risk Reduction
Grace Mine Tailings Pennsylvania Berks 145 High Fair 1957 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.