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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.

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Name State County Height (ft) Hazard Condition Year Purpose
Foster California Riverside 38 High Satisfactory 1945 Water Supply
Lake Ranch California Santa Clara 38 High Satisfactory 1877 Water Supply
Mt. Woodson California San Diego 38 High Satisfactory 1958 Water Supply
Sonoma Hills California Sonoma 38 Low Satisfactory 1991 Water Supply
Ler Sunset California Alpine 38 Low Satisfactory — Water Supply
Georgetown Cntrl California El Dorado 38 Significant Satisfactory 1956 Other
York Hill California Colusa 38 Low Satisfactory 1952 Water Supply
Fountaingrove California Sonoma 38 High Satisfactory 1953 Water Supply
Meadow Lake California Nevada 38 Low Satisfactory 1855 Hydroelectric
Almaden Valley California Santa Clara 38 High Satisfactory 1965 Water Supply
Cactus Basin #3 California San Bernardino 38 High Satisfactory 2017 Flood Risk Reduction
Schoolhouse Debris Basin California Los Angeles 38 High Satisfactory 1962 Debris Control
Folsom Dike 7 California Sacramento 38 High Not Available 1956 Flood Risk Reduction
Ed R. Levin California Santa Clara 38 High Fair 1968 Water Supply
Maxville California Napa 37 High Satisfactory 1953 Water Supply
Rye California Tehama 37 Low Satisfactory 1959 Water Supply
Moraga California Contra Costa 37 High Satisfactory 1965 Water Supply
Abrams California El Dorado 37 Low Satisfactory 1950 Water Supply
Schwindt California Mendocino 37 Low Not Rated — Water Supply
Smoke Creek California Lassen 37 Low Satisfactory 1949 Other
Spring Valley California Lake 37 High Satisfactory 1968 Water Supply
Perry Gulch California Mendocino 37 Low Satisfactory 1980 Water Supply
Lake Jane California Madera 37 Low Satisfactory 1961 Water Supply
Lake Madrone California Butte 37 High Satisfactory 1931 Water Supply
Patterson California El Dorado 37 High Satisfactory 1960 Water Supply
Lake Buck California Sierra 37 Low Fair 1951 Other
Bap Ponds 1, 2, 3, 4 California Kern 37 Low Satisfactory 2003 Water Supply
Lake Eleanor California Ventura 37 High Satisfactory 1881 Water Supply
Veeh California Orange 37 High Satisfactory 1936 Water Supply
Quail Valley California Riverside 37 High Satisfactory 1959 Water Supply
Lakeview California Riverside 37 High Satisfactory 1994 Flood Risk Reduction
Reclaimed Water Reservoir California Shasta 37 Low Satisfactory 1995 Water Supply
Middle Fork Brush Creek California Sonoma 37 High Satisfactory 1961 Flood Risk Reduction
Morgan Debris Basin California Los Angeles 37 High Satisfactory 1962 Debris Control
West Side Detention Dike 2 California Riverside 37 Low Not Available 1968 Flood Risk Reduction
Milton Main California Nevada 37 Low Satisfactory 1927 Water Supply
Jackson Creek Spillway California Amador 37 High Satisfactory — Water Supply
Santa Rosa Creek Reservoir California Sonoma 37 High Satisfactory 1963 Flood Risk Reduction
Codding Reservoir California Mendocino 36 Low Fair — Other
Bassett Brown California Napa 36 Significant Fair 1990 Irrigation
Reservoir No. 5 California Los Angeles 36 High Satisfactory 1949 Water Supply
Turlock Lake California Stanislaus 36 High Fair 1915 Other
Upper Howell California Santa Clara 36 Significant Satisfactory 1878 Water Supply
Modesto Reservoir California Stanislaus 36 High Satisfactory 1911 Water Supply
Gastaldi California El Dorado 36 Low Satisfactory 1951 Other
West Point Regulating California Calaveras 36 High Satisfactory 1965 Water Supply
Hardester North California Napa 36 Significant Satisfactory 2003 Water Supply
Crater Lake California Alpine 36 Low Satisfactory 1937 Water Supply
Indian Creek California El Dorado 36 High Satisfactory 1946 Water Supply
Twain Harte California Tuolumne 36 High Satisfactory 1928 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.