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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
Sawmill Main California Nevada 60 Low Satisfactory 1910 Irrigation
Eagle Canyon Debris Basin California Riverside 60 High Satisfactory 2015 Flood Risk Reduction
Chicago Park Forebay California Nevada 60 Low Satisfactory 1966 Irrigation
Swan California Nevada 59 High Satisfactory 1967 Water Supply
Hunters California Calaveras 59 High Satisfactory 1927 Hydroelectric
Big Dalton Debris Basin California Los Angeles 59 High Satisfactory 1960 Debris Control
Plymouth Effluent California Amador 59 Significant Satisfactory 1989 Water Supply
Utica Main California Alpine 59 High Satisfactory 1903 Hydroelectric
Marsh Creek California Contra Costa 59 High Satisfactory 1963 Flood Risk Reduction
Syphon Canyon California Orange 59 High Satisfactory 1949 Other
Sand Canyon California Orange 58 High Satisfactory 1912 Water Supply
Upper Settling Basin California Santa Clara 58 Low Fair — Water Supply
Brentwood Park California Tuolumne 58 High Satisfactory 1964 Water Supply
Bradford California Mendocino 58 Significant Satisfactory 1985 Water Supply
Rancho Seco California Sacramento 58 High Satisfactory 1972 Tailings
Woodward California Stanislaus 58 High Fair 1918 Other
Pit No. 5 Diversion California Shasta 58 Low Satisfactory 1944 Hydroelectric
Farmington Dam California San Joaquin 58 High Not Available 1951 Flood Risk Reduction
Mallacomes California Sonoma 57 High Satisfactory 1951 Water Supply
Arundell Barranca California Ventura 57 High Satisfactory 1996 Debris Control
Antelope California Kern 57 High Satisfactory 1987 Flood Risk Reduction
Emerald Lake 1 Ler California San Mateo 57 High Satisfactory 1885 Water Supply
Sepulveda Dam California Los Angeles 57 High Not Available 1941 Flood Risk Reduction
Melrose Avenue California San Diego 57 High Satisfactory 1998 Flood Risk Reduction
Ice House Dike No. 1 California El Dorado 57 Significant Satisfactory — Hydroelectric
Santa Anita Debris Basin California Los Angeles 56 Low Fair 1960 Debris Control
Foss Valley California Napa 56 High Satisfactory 1988 Water Supply
Municipal California Solano 56 High Satisfactory 1939 Water Supply
Whittier Narrows Dam California Los Angeles 56 High Not Available 1957 Flood Risk Reduction
Green Valley Lake California San Bernardino 56 Low Satisfactory 1925 Water Supply
Henderson California Amador 56 High Fair 1923 Water Supply
J.C. Jacobsen California Kern 56 High Satisfactory 1973 Water Supply
Early Intake California Tuolumne 56 Low Fair 1925 Other
Los Verjels California Yuba 56 Significant Poor 1915 Water Supply
Whittier Reservoir No. 4 California Los Angeles 55 Low Satisfactory 1931 Water Supply
Bosch No. 2 California Sonoma 55 Significant Satisfactory 1962 Water Supply
Schubin California El Dorado 55 Significant Satisfactory 1952 Other
Glen Martin California San Bernardino 55 High Fair 1950 Water Supply
Black Mountain Water Tank California San Diego 55 High Satisfactory 2002 Water Supply
Mcvicker Canyon Debris Basin California Riverside 55 High Fair — Flood Risk Reduction
Calero California Sacramento 55 High Satisfactory 1982 Water Supply
Grinding Rock California Tuolumne 55 Low Satisfactory 1979 Water Supply
Scotts Flat Spillway California Nevada 55 High Satisfactory — Fire Protection, Stock, Or ...
Halsey Forebay No. 2 California Placer 55 Significant Satisfactory 1913 Hydroelectric
Cull Creek California Alameda 55 High Satisfactory 1963 Flood Risk Reduction
Central California Alameda 55 High Satisfactory 1910 Water Supply
Stanislaus Forebay East California Tuolumne 55 Low Satisfactory 1908 Hydroelectric
Bear Creek Diversion California Fresno 55 Low Satisfactory 1927 Hydroelectric
Murray California Sonoma 55 High Satisfactory 1970 Water Supply
Sutro Reservoir California San Francisco 55 High Satisfactory 1952 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.