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Browse Dams

1,534 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 1,534 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
Lower Bear California Amador 245 High Satisfactory 1952 Hydroelectric
Mckays Point Diversion California Tuolumne 242 Significant Satisfactory 1989 Hydroelectric
Twitchell Dam California Santa Barbara 241 High Not Available 1958 Flood Risk Reduction
Anderson California Santa Clara 240 High Unsatisfactory 1950 Water Supply
Stampede Dam California Sierra 239 High Not Available 1970 Irrigation
El Capitan California San Diego 237 High Poor 1934 Water Supply
L. L. Anderson California Placer 231 High Satisfactory 1965 Irrigation
Los Vaqueros California Contra Costa 231 High Satisfactory 1997 Water Supply
Peters California Marin 230 High Satisfactory 1954 Water Supply
Trampas Canyon California Orange 229 High Satisfactory 1975 Other
Rollins California Nevada 228 High Satisfactory 1965 Water Supply
Pit No. 7 Diversion California Shasta 228 High Satisfactory 1965 Hydroelectric
Ramona California San Diego 228 High Satisfactory 1988 Water Supply
Indian Valley California Lake 225 High Fair 1975 Irrigation
Big Santa Anita California Los Angeles 225 High Satisfactory 1927 Flood Risk Reduction
New Lake Arrowhead California San Bernardino 225 High Satisfactory 1976 Water Supply
San Joaquin Reservoir California Orange 224 High Satisfactory 1966 Water Supply
Del Valle California Alameda 222 High Fair 1968 Flood Risk Reduction
Box Canyon California Siskiyou 220 High Satisfactory 1970 Flood Risk Reduction
Big Tujunga No. 1 California Los Angeles 220 High Satisfactory 1931 Flood Risk Reduction
Buchanan Dam California Madera 219 High Not Available 1975 Flood Risk Reduction
Iron Canyon California Shasta 214 High Satisfactory 1965 Hydroelectric
Santa Felicia California Ventura 213 High Poor 1955 Water Supply
Brush Creek California El Dorado 213 Significant Satisfactory 1970 Hydroelectric
New Calaveras California Alameda 210 High Satisfactory 2018 Water Supply
Little Grass Valley California Plumas 210 High Satisfactory 1961 Hydroelectric
New Hogan Dam California Calaveras 210 High Not Available 1963 Flood Risk Reduction
James J. Lenihan California Santa Clara 208 High Fair 1953 Water Supply
Jackson Meadows California Nevada 205 High Satisfactory 1965 Water Supply
Tulloch California Calaveras 205 High Satisfactory 1958 Hydroelectric
Camp Far West California Yuba 203 High Fair 1963 Irrigation
Lake Loveland California San Diego 203 High Satisfactory 1945 Water Supply
San Antonio California Monterey 202 High Fair 1965 Flood Risk Reduction
Mojave River Dam California San Bernardino 200 High Not Available 1971 Flood Risk Reduction
Chet Harritt California San Diego 200 High Satisfactory 1962 Water Supply
Elderberry Forebay California Los Angeles 200 Low Satisfactory 1972 Water Supply
Mojave River Dam - Saddle Dike 1 California San Bernardino 200 High Not Available 1971 Flood Risk Reduction
Spring Creek Debris Dam California Shasta 196 High Not Available 1963 Debris Control
Mulholland California Los Angeles 195 High Satisfactory 1924 Water Supply
Pit No. 6 Diversion California Shasta 195 High Satisfactory 1965 Hydroelectric
James H. Turner California Alameda 193 High Satisfactory 1964 Water Supply
Jackson Creek California Amador 193 High Satisfactory 1965 Irrigation
Whale Rock California San Luis Obispo 193 High Satisfactory 1960 Water Supply
Bouquet Canyon California Los Angeles 190 High Fair 1934 Water Supply
Lake Arrowhead California San Bernardino 190 Significant Poor 1922 Water Supply
Stone Canyon California Los Angeles 188 High Satisfactory 1924 Water Supply
Walnut Canyon California Orange 187 High Satisfactory 1968 Water Supply
Austrian California Santa Clara 185 High Satisfactory 1950 Water Supply
Isabella Dam California Kern 185 High Not Available 1953 Flood Risk Reduction
Hidden Dam California Madera 184 High Not Available 1975 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.