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.
| Name | State | County | Height (ft) | Hazard | Condition | Year | Purpose |
|---|---|---|---|---|---|---|---|
| Cherry Flat | California | Santa Clara | 60 | High | Satisfactory | 1936 | Water Supply |
| Hicks Canyon Retention Basin | California | Orange | 60 | Low | Satisfactory | 1997 | Debris Control |
| Sand Creek | California | Fresno | 60 | High | Satisfactory | 1980 | Flood Risk Reduction |
| Syphon Canyon | California | Orange | 59 | High | Satisfactory | 1949 | Other |
| Swan | California | Nevada | 59 | High | Satisfactory | 1967 | Water Supply |
| Hunters | California | Calaveras | 59 | High | Satisfactory | 1927 | Hydroelectric |
| Marsh Creek | California | Contra Costa | 59 | High | Satisfactory | 1963 | Flood Risk Reduction |
| Big Dalton Debris Basin | California | Los Angeles | 59 | High | Satisfactory | 1960 | Debris Control |
| Utica Main | California | Alpine | 59 | High | Satisfactory | 1903 | Hydroelectric |
| Plymouth Effluent | California | Amador | 59 | Significant | Satisfactory | 1989 | Water Supply |
| Farmington Dam | California | San Joaquin | 58 | High | Not Available | 1951 | Flood Risk Reduction |
| Bradford | California | Mendocino | 58 | Significant | Satisfactory | 1985 | Water Supply |
| Woodward | California | Stanislaus | 58 | High | Fair | 1918 | Other |
| Pit No. 5 Diversion | California | Shasta | 58 | Low | Satisfactory | 1944 | Hydroelectric |
| Rancho Seco | California | Sacramento | 58 | High | Satisfactory | 1972 | Tailings |
| Upper Settling Basin | California | Santa Clara | 58 | Low | Fair | - | Water Supply |
| Brentwood Park | California | Tuolumne | 58 | High | Satisfactory | 1964 | Water Supply |
| Sand Canyon | California | Orange | 58 | High | Satisfactory | 1912 | Water Supply |
| Antelope | California | Kern | 57 | High | Satisfactory | 1987 | Flood Risk Reduction |
| 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 |
| Arundell Barranca | California | Ventura | 57 | High | Satisfactory | 1996 | Debris Control |
| Emerald Lake 1 Ler | California | San Mateo | 57 | High | Satisfactory | 1885 | Water Supply |
| Ice House Dike No. 1 | California | El Dorado | 57 | Significant | Satisfactory | - | Hydroelectric |
| Mallacomes | California | Sonoma | 57 | High | Satisfactory | 1951 | 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 |
| Santa Anita Debris Basin | California | Los Angeles | 56 | Low | Fair | 1960 | Debris Control |
| Los Verjels | California | Yuba | 56 | Significant | Poor | 1915 | Water Supply |
| Henderson | California | Amador | 56 | High | Fair | 1923 | Water Supply |
| Municipal | California | Solano | 56 | High | Satisfactory | 1939 | Water Supply |
| Early Intake | California | Tuolumne | 56 | Low | Fair | 1925 | Other |
| J.C. Jacobsen | California | Kern | 56 | High | Satisfactory | 1973 | Water Supply |
| Foss Valley | California | Napa | 56 | High | Satisfactory | 1988 | Water Supply |
| Grinding Rock | California | Tuolumne | 55 | Low | Satisfactory | 1979 | Water Supply |
| Whittier Reservoir No. 4 | California | Los Angeles | 55 | Low | Satisfactory | 1931 | Water Supply |
| Sutro Reservoir | California | San Francisco | 55 | High | Satisfactory | 1952 | Water Supply |
| Pond 2b | California | Solano | 55 | Low | Satisfactory | 1975 | Water Supply |
| Bosch No. 2 | California | Sonoma | 55 | Significant | Satisfactory | 1962 | Water Supply |
| Toreson | California | Modoc | 55 | Significant | Satisfactory | 1898 | Water Supply |
| Stanislaus Forebay East | California | Tuolumne | 55 | Low | Satisfactory | 1908 | Hydroelectric |
| Cull Creek | California | Alameda | 55 | High | Satisfactory | 1963 | Flood Risk Reduction |
| Bear Creek Diversion | California | Fresno | 55 | Low | Satisfactory | 1927 | Hydroelectric |
| Eagle Ranch | California | San Luis Obispo | 55 | High | Satisfactory | 1974 | Other |
| Black Mountain Water Tank | California | San Diego | 55 | High | Satisfactory | 2002 | Water Supply |
| Scotts Flat Spillway | California | Nevada | 55 | High | Satisfactory | - | Fire Protection, Stock, Or ... |
| Central | California | Alameda | 55 | High | Satisfactory | 1910 | Water Supply |
| Calero | California | Sacramento | 55 | High | Satisfactory | 1982 | Water Supply |
| Glen Martin | California | San Bernardino | 55 | High | Fair | 1950 | Water Supply |
| Mcvicker Canyon Debris Basin | California | Riverside | 55 | High | Fair | - | Flood Risk Reduction |
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.