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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.

Clear
Name State County Height (ft) Hazard Condition Year Purpose
Vasona Percolating California Santa Clara 34 High Satisfactory 1935 Other
Caples Lake Auxiliary California Alpine 34 High Satisfactory 1922 Hydroelectric
Puddingstone Diversion California Los Angeles 34 High Satisfactory 1928 Other
Stewart Canyon Debris Basin California Ventura 34 High Satisfactory 1963 Debris Control
Araujo Reservoir No. 2 California Napa 33 High Fair 1950
Redbank California Fresno 33 High Satisfactory 1962 Flood Risk Reduction
Lakewood California Placer 33 High Satisfactory 1959 Water Supply
Hendricks California Mariposa 33 Low Satisfactory 1958 Water Supply
Shenandoah Lake California Amador 33 Low Satisfactory 1962 Other
Allen California Lake 33 High Satisfactory 1955 Water Supply
Copperopolis California Calaveras 33 High Satisfactory 1905 Water Supply
Decoto Reservoir California Alameda 33 High Satisfactory 1966 Water Supply
Christensen No. 1 California Calaveras 33 Low Satisfactory 1951 Other
Henry Jr. California San Diego 33 Low Satisfactory 1929 Water Supply
Green Valley California Mariposa 33 Low Satisfactory 1957 Water Supply
Dina Bob Lake California Sonoma 33 Significant Satisfactory 1955 Water Supply
Clementia California Sacramento 33 Significant Satisfactory 1976 Water Supply
Mill Pond California Mendocino 33 Low Fair 1885 Water Supply
Three Lakes California Plumas 33 Low Satisfactory 1928 Hydroelectric
Tiger Creek Forebay California Amador 33 Low Satisfactory — Hydroelectric
Redhawk Lake California Calaveras 33 High Satisfactory 1882 Other
Beardsley Afterbay California Tuolumne 33 Low Satisfactory 1958 Hydroelectric
Shingle Springs Band of Miwok Indians California El Dorado 33 Significant Satisfactory 1968 Water Supply
Lake Aloha Main California El Dorado 33 High Satisfactory 1917 Hydroelectric
Silacci California Monterey 32 Significant Fair 1915 Fire Protection, Stock, Or ...
Browns Lane California Sonoma 32 High Fair — Water Supply
Peters California Lake 32 Low Satisfactory 1940 Other
Bap Pond 6 California Kern 32 Low Satisfactory 2012 Water Supply
Tinemaha California Inyo 32 High Poor 1928 Other
Robert L. Matheson California Napa 32 High Satisfactory 1954 Water Supply
Diemer Ozone Contact Basin California Orange 32 High Satisfactory 2011 Water Supply
Reid California Calaveras 32 Low Satisfactory 1969 Water Supply
John Carl Warnecke California Sonoma 32 Low Satisfactory 1974 Water Supply
Eaton H. Magoon Lake California Napa 32 High Satisfactory 1965 Water Supply
D'Agostini California El Dorado 32 Low Satisfactory 1950 Water Supply
Pacific Grove California Monterey 32 Low Satisfactory 1882 Water Supply
Camp Far West Diversion California Yuba 32 Low Satisfactory 1977 Other
Duncan Creek Diversion California Placer 32 Low Satisfactory 1965 Irrigation
Tejon Storage 1 California Kern 32 Low Satisfactory 1946 Water Supply
Aukum View California El Dorado 32 Low Satisfactory 1962 Water Supply
Manhattan Creek California El Dorado 32 High Satisfactory 1952 Water Supply
Headworks Reservoir East California Los Angeles 32 Low Satisfactory 2016 Water Supply
Kelly Cabin Can California Santa Clara 32 Low Satisfactory 1955 Water Supply
Headworks Reservoir West California Los Angeles 32 Low Satisfactory 2022 Water Supply
Crystal Lake California El Dorado 32 High Satisfactory 1952 Water Supply
Silver Lake California Amador 32 High Poor 1876 Hydroelectric
Tahquitz Creek Debris Basin California Riverside 32 High Satisfactory 1991 Debris Control
Prado Dam - California Institute for Women Dike California San Bernardino 32 High Not Available 2017 Flood Risk Reduction
Independence California Sierra 31 High Satisfactory 1939 Water Supply
Cornett California Mendocino 31 Significant Satisfactory 1974 Water Supply

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.