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
Eagle Ranch California San Luis Obispo 55 High Satisfactory 1974 Other
Sutro Reservoir California San Francisco 55 High Satisfactory 1952 Water Supply
Bear Creek Diversion California Fresno 55 Low Satisfactory 1927 Hydroelectric
Log Cabin California Yuba 54 High Satisfactory 1969 Water Supply
Rainbow Diversion Dam California Colusa 54 Low Not Available 1914 Irrigation
Black Rock Creek California Monterey 54 Low Satisfactory 1925 Water Supply
Hume Lake California Fresno 54 High Not Rated 1908 Recreation
Mineral Hot Springs Lake California San Bernardino 54 High Satisfactory 1967 Water Supply
Larson California Tulare 54 Significant Satisfactory 1963 Other
Peters Canyon California Orange 54 High Satisfactory 1932 Other
Kunkle California Butte 54 Significant Satisfactory 1907 Other
Stevenson Ranch California Los Angeles 54 High Satisfactory 2004 Debris Control
Coit California Santa Clara 54 Low Satisfactory 1956 Water Supply
Null Dam California Shasta 54 Significant Satisfactory 1954 Water Supply
Bernardo Reservoir California San Diego 54 High Satisfactory 1964 Water Supply
Beaver Creek Diversion California Tuolumne 54 Low Satisfactory 1989 Hydroelectric
Murry California Santa Clara 54 Low Satisfactory 1957 Water Supply
Bellett California Nevada 54 Low Satisfactory 1950 Other
Lake Yosemite California Merced 53 High Satisfactory 1888 Water Supply
Jacobs Creek California El Dorado 53 Low Satisfactory 1948 Water Supply
Debell California Santa Clara 53 High Satisfactory 1952 Water Supply
Emery California Calaveras 53 Low Satisfactory 1850 Water Supply
North Fork Diversion California Alpine 53 Low Satisfactory 1989 Hydroelectric
Prado Dam - Corona Sewage Treatment Dike California Riverside 53 High Not Available 1941 Flood Risk Reduction
Portola California Orange 53 High Satisfactory 1980 Water Supply
Boyd No. 2 California Shasta 53 High Satisfactory 1973 Water Supply
Terminal California San Luis Obispo 53 High Fair 1969 Water Supply
Mokelumne Hill California Calaveras 52 Low Satisfactory 1973 Water Supply
Canada Road California San Mateo 52 Low Satisfactory 1971 Other
Mcmahon California Mariposa 52 Low Satisfactory 1957 Water Supply
Red Bluff Diversion California Tehama 52 Low Not Available 1963 Irrigation
Phoenix California Tuolumne 52 High Satisfactory 1880 Other
Ler Peters Canyon Retarding Basin California Orange 52 High Satisfactory 1990 Flood Risk Reduction
De Sabla Forebay California Butte 52 Low Satisfactory 1962 Hydroelectric
San Marcos California San Diego 52 High Satisfactory 1946 Other
Coyote Flat California Lassen 52 Significant Satisfactory 1928 Other
King Ridge Road California Sonoma 52 Low Fair — Irrigation
San Dieguito California San Diego 51 High Satisfactory 1918 Other
Foothill Regulating Park California Sonoma 51 High Satisfactory 1963 Water Supply
Notre Dame California San Mateo 51 High Satisfactory — Water Supply
Sequoia Lake California Fresno 51 High Satisfactory 1888 Water Supply
Case Springs Dam California San Diego 51 Low Fair 1900 Fire Protection, Stock, Or ...
Crystal California Napa 51 High Satisfactory 1952 Water Supply
Csp Mule Creek California Amador 51 High Satisfactory 1988 Water Supply
Lakeport California Lake 51 High Satisfactory 1980 Water Supply
Etiwanda Debris Basin California San Bernardino 51 High Satisfactory 2008 Flood Risk Reduction
Kellogg Ballpark California Sonoma 51 High Satisfactory 1962 Water Supply
Bevans Creek California Mendocino 51 High Satisfactory 1955 Other
Lake Herman California Solano 51 High Satisfactory 1905 Water Supply
Sierra Madre Villa California Los Angeles 50 High Satisfactory 1958 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.