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 |
|---|---|---|---|---|---|---|---|
| Mockingbird Canyon | California | Riverside | 74 | High | Satisfactory | 1914 | Water Supply |
| La Herradura | California | Napa | 73 | Low | Satisfactory | 1948 | Other |
| Hawkins | California | San Benito | 72 | Significant | Satisfactory | 1928 | Water Supply |
| Harvey Place | California | Alpine | 72 | High | Satisfactory | 1989 | Water Supply |
| Deer Lake | California | Napa | 72 | High | Satisfactory | 1958 | Water Supply |
| Pit No. 5 Open Conduit | California | Shasta | 71 | High | Fair | 1944 | Hydroelectric |
| Little Dalton Debris Basin | California | Los Angeles | 71 | High | Satisfactory | 1960 | Debris Control |
| Indian Creek | California | Alpine | 71 | High | Satisfactory | 1967 | Water Supply |
| Middle Fork Interbay | California | Placer | 71 | Low | Satisfactory | 1966 | Irrigation |
| Ward Creek | California | Alameda | 71 | High | Satisfactory | 1963 | Flood Risk Reduction |
| Novato Creek | California | Marin | 71 | High | Satisfactory | 1951 | Other |
| Elysian | California | Los Angeles | 71 | High | Satisfactory | 1943 | Water Supply |
| Haines Canyon Debris Dam | California | Los Angeles | 70 | High | Not Available | 1938 | Debris Control |
| Stevenot | California | Calaveras | 70 | Low | Satisfactory | 1987 | Water Supply |
| Sabrina | California | Inyo | 70 | High | Fair | 1908 | Hydroelectric |
| Slate Creek | California | Plumas | 70 | Low | Satisfactory | 1961 | Hydroelectric |
| Dick Week | California | Napa | 70 | Significant | Satisfactory | 1955 | Water Supply |
| Reba | California | Alpine | 70 | High | Satisfactory | 1965 | Water Supply |
| Whiskeytown Dike 2 | California | Shasta | 70 | High | Not Available | 1963 | Hydroelectric |
| Jayne'S Lake | California | Mendocino | 70 | Low | Satisfactory | 1985 | Other |
| San Justo Dike | California | San Benito | 69 | High | Not Available | 1987 | Irrigation |
| Williams | California | Santa Clara | 69 | Low | Satisfactory | 1895 | Water Supply |
| Sierra Madre | California | Los Angeles | 69 | High | Satisfactory | 1928 | Debris Control |
| Gardella | California | Tuolumne | 69 | Low | Satisfactory | 2009 | Water Supply |
| Small Canyon | California | San Bernardino | 68 | High | Satisfactory | 1957 | Debris Control |
| Magnolia | California | Nevada | 68 | High | Satisfactory | 1967 | Water Supply |
| #6 | California | Monterey | 68 | High | Not Available | - | Other |
| Searsville | California | San Mateo | 68 | High | Satisfactory | 1890 | Water Supply |
| Haynes Reservoir | California | Shasta | 67 | High | Satisfactory | 1965 | Other |
| Tejon Storage 2 | California | Kern | 67 | Low | Satisfactory | 1956 | Water Supply |
| Senator Wash-North Dike | California | Imperial | 67 | High | Not Available | 1966 | Hydroelectric |
| Lolonis Vineyards | California | Mendocino | 67 | High | Satisfactory | 1999 | Water Supply |
| Annadel No. 1 | California | Sonoma | 67 | High | Fair | 1956 | Water Supply |
| Murphys Forebay West | California | Calaveras | 67 | High | Satisfactory | 1953 | Hydroelectric |
| Lang Creek Detention Basin | California | Ventura | 67 | High | Satisfactory | 2004 | Flood Risk Reduction |
| Kuhn | California | Santa Clara | 67 | High | Satisfactory | 1947 | Water Supply |
| Felt Lake | California | Santa Clara | 67 | High | Fair | 1930 | Water Supply |
| Palo Verde | California | San Diego | 67 | High | Satisfactory | 1970 | Water Supply |
| Arroyo Seco | California | Amador | 67 | High | Satisfactory | 1957 | Water Supply |
| Calavera | California | San Diego | 67 | High | Satisfactory | 1940 | Water Supply |
| Morris | California | Mendocino | 66 | High | Satisfactory | 1927 | Water Supply |
| Dry Canyon | California | Los Angeles | 66 | High | Satisfactory | 1912 | Flood Risk Reduction |
| Alessandro | California | Riverside | 66 | High | Satisfactory | 1956 | Flood Risk Reduction |
| Thompson Creek | California | Los Angeles | 66 | High | Satisfactory | 1928 | Flood Risk Reduction |
| Lake William | California | Napa | 66 | High | Satisfactory | 1960 | Water Supply |
| Rancho Del Ciervo | California | Santa Barbara | 65 | High | Satisfactory | 1938 | Water Supply |
| San Lorenzo Creek | California | Alameda | 65 | High | Satisfactory | 1964 | Flood Risk Reduction |
| Drum Forebay | California | Placer | 65 | High | Satisfactory | 1913 | Hydroelectric |
| Richardson | California | Sonoma | 65 | Significant | Satisfactory | 1954 | Water Supply |
| Harbor View | California | Orange | 65 | High | Satisfactory | 1964 | 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.