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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
Portal Forebay Main California Fresno 65 Low Satisfactory 1956 Hydroelectric
Burns Dam California Merced 65 High Not Available 1950 Flood Risk Reduction
Amargosa Creek California Los Angeles 65 High Satisfactory 1998 Flood Risk Reduction
San Lorenzo Creek California Alameda 65 High Satisfactory 1964 Flood Risk Reduction
Faucherie Lake Main California Nevada 65 High Satisfactory 1966 Irrigation
Harbor View California Orange 65 High Satisfactory 1964 Flood Risk Reduction
Rancho Del Ciervo California Santa Barbara 65 High Satisfactory 1938 Water Supply
Richardson California Sonoma 65 Significant Satisfactory 1954 Water Supply
Mono Creek Diversion California Fresno 64 Low Satisfactory 1927 Hydroelectric
Piedmont California Alameda 64 Low Satisfactory 1905 Water Supply
Rubio Debris Basin California Los Angeles 64 High Poor 1944 Debris Control
Pomponio Ranch California San Mateo 64 High Satisfactory 1952 Other
Rickey California San Mateo 64 Low Satisfactory 1951 Water Supply
Eaton Wash Debris Basin California Los Angeles 63 High Satisfactory 1936 Debris Control
Sycamore California Riverside 63 High Satisfactory 1956 Flood Risk Reduction
Niegel California El Dorado 63 Significant Satisfactory 1951 Water Supply
Red Rock No. 1 California Lassen 63 High Satisfactory 1893 Water Supply
Cape Horn California Mendocino 63 High Fair 1907 Hydroelectric
Peabody California Santa Clara 63 Significant Poor 1950 Water Supply
Big Canyon Creek California El Dorado 63 Low Satisfactory 1935 Other
Ewing California Trinity 63 High Satisfactory 1972 Water Supply
Scout Lake California Mendocino 63 High Satisfactory 1964 Water Supply
Thurman California Shasta 63 Low Satisfactory 1966 Water Supply
Bridgeport California Mono 63 High Satisfactory 1924 Water Supply
Martinez Dam California Contra Costa 62 High Not Available 1947 Water Supply
Bee Canyon Retention Basin California Orange 62 Low Satisfactory 1994 Flood Risk Reduction
Centennial California Mendocino 62 High Satisfactory 1990 Water Supply
Glenoaks 968 Reservoir California Los Angeles 62 High Satisfactory 1949 Water Supply
Straza California El Dorado 62 Low Satisfactory 1971 Other
University Mound South Basin California San Francisco 61 High Satisfactory 1937 Water Supply
Big Bend California Butte 61 Low Satisfactory —
Sea Ranch California Sonoma 61 Low Satisfactory 1996 Water Supply
Shiloh Ranch California Sonoma 61 High Satisfactory 1991 Water Supply
Bear Gulch California San Mateo 61 High Poor 1896 Water Supply
Lake Eleanor California Tuolumne 61 High Satisfactory 1918 Water Supply
Dennis No. 2 California Sonoma 60 Low Satisfactory 1997 Water Supply
South Fork Diversion California Plumas 60 Low Satisfactory 1961 Hydroelectric
Hicks Canyon Retention Basin California Orange 60 Low Satisfactory 1997 Debris Control
Forest Meadows California Calaveras 60 Low Poor 1975 Water Supply
Chicago Park Forebay California Nevada 60 Low Satisfactory 1966 Irrigation
Diederich Reservoir California Los Angeles 60 High Satisfactory 1950 Water Supply
Sawmill Main California Nevada 60 Low Satisfactory 1910 Irrigation
Lake Marie California Napa 60 High Satisfactory 1908 Water Supply
Stanislaus Forebay West California Tuolumne 60 Low Satisfactory 1908 Hydroelectric
Eagle Canyon Debris Basin California Riverside 60 High Satisfactory 2015 Flood Risk Reduction
Oakhurst Wastewater Treatment California Madera 60 Low Satisfactory 2005 Other
Sand Creek California Fresno 60 High Satisfactory 1980 Flood Risk Reduction
Big Creek Dam No. 5 California Fresno 60 Significant Satisfactory 1921 Hydroelectric
Ler Stehly California San Diego 60 High Satisfactory — Water Supply
Cucamonga Creek Debris Basin California San Bernardino 60 High Satisfactory 1980 Debris Control

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.