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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
Jones Ranch California Trinity 36 Significant Satisfactory 1980 Water Supply
Rock Creek California Placer 36 High Satisfactory 1913 Hydroelectric
Adobe Creek California Lake 36 High Satisfactory 1962 Flood Risk Reduction
Fairbanks California San Diego 36 High Satisfactory 1927 Water Supply
Oak Street California Riverside 36 High Satisfactory 1979 Flood Risk Reduction
Michigan Bar No. 2 California Sacramento 36 Low Satisfactory 1983 Water Supply
Rossmoor No. 1 California Orange 36 High Satisfactory 1964 Other
Don Pedro Dike B California Tuolumne 36 High Satisfactory 1971 Hydroelectric
Union Main California Alpine 36 Low Satisfactory 1910 Hydroelectric
Parish Camp Saddle California Butte 36 High Fair 1968 Flood Risk Reduction
Sheep Canyon California San Bernardino 35 Significant Not Rated 1941 Debris Control
Greenhorn California Siskiyou 35 High Satisfactory 1960 Water Supply
Dolcini California Marin 35 Low Satisfactory 1949 Water Supply
Buckhorn California Lassen 35 Low Satisfactory 1904 Water Supply
Angwin California Napa 35 High Satisfactory 1967 Water Supply
Agua Tibia California San Diego 35 Low Satisfactory 1947 Water Supply
Vonsen California Marin 35 High Satisfactory 1951 Water Supply
Bascherini California Solano 35 High Satisfactory 1962 Water Supply
Tanner California Calaveras 35 High Satisfactory 1959 Water Supply
Sworinger California Lassen 35 High Satisfactory 1961 Other
Red Lake California Alpine 35 High Satisfactory 1924 Water Supply
Turkey Ranch California Napa 35 High Satisfactory 1999 Water Supply
Clover Valley California Placer 35 Low Satisfactory 1909 Other
Cook No. 2 California Sonoma 35 High Satisfactory 1961 Water Supply
Rock Creek California El Dorado 35 Low Satisfactory 1932 Other
Aeree California El Dorado 35 Significant Satisfactory 1951 Water Supply
Pit No. 7 Afterbay California Shasta 35 Significant Satisfactory 1965 Hydroelectric
Bidwell Lake California Plumas 35 High Satisfactory 1865 Water Supply
Eastlake California San Diego 35 High Satisfactory 1986 Water Supply
White Pines California Calaveras 35 Low Satisfactory 1970 Water Supply
Scott Lake California Alpine 35 Low Satisfactory 1926 Water Supply
Lake Ralphine California Sonoma 35 High Satisfactory 1882 Water Supply
Volo Mining Company California El Dorado 35 High Satisfactory 1958 Other
Long Valley West No. 2 California Napa 35 Low Satisfactory 1982 Water Supply
Yucaipa No. 3 California San Bernardino 35 Low Satisfactory 1978 Water Supply
Grass Valley California San Bernardino 35 High Satisfactory 1964 Other
Demens Creek Debris Basin California San Bernardino 35 High Satisfactory 1980 Debris Control
Camanche Dike No. 4 California San Joaquin 35 High Satisfactory — Water Supply
Lower Stoney Valley California Monterey 35 Low Poor 1972 Fish and Wildlife Pond
Orvis California Stanislaus 34 Low Satisfactory 1959 Water Supply
Metcalf California Napa 34 High Satisfactory 1974 Water Supply
Lytton California Sonoma 34 High Satisfactory 1956 Water Supply
Asti California Sonoma 34 Low Satisfactory 1955 Water Supply
Taylor Creek No. 1 California Modoc 34 Significant Satisfactory 1952 Other
Morgan California Napa 34 Low Satisfactory — Other
Junge No. 2 California Shasta 34 Low Satisfactory 1965 Water Supply
Sunset South Basin California San Francisco 34 High Satisfactory 1960 Water Supply
Henry J. Mills No. 2 California Riverside 34 High Satisfactory 1996 Water Supply
Clifton Court Forebay California Contra Costa 34 Low Satisfactory 1970 Other
Lake Sterling California Nevada 34 Low Satisfactory 1858 Hydroelectric

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.