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 |
| Deer Lake | California | Napa | 72 | High | Satisfactory | 1958 | Water Supply |
| Harvey Place | California | Alpine | 72 | High | Satisfactory | 1989 | Water Supply |
| Hawkins | California | San Benito | 72 | Significant | Satisfactory | 1928 | Water Supply |
| Ward Creek | California | Alameda | 71 | High | Satisfactory | 1963 | Flood Risk Reduction |
| Novato Creek | California | Marin | 71 | High | Satisfactory | 1951 | Other |
| Middle Fork Interbay | California | Placer | 71 | Low | Satisfactory | 1966 | Irrigation |
| Little Dalton Debris Basin | California | Los Angeles | 71 | High | Satisfactory | 1960 | Debris Control |
| Pit No. 5 Open Conduit | California | Shasta | 71 | High | Fair | 1944 | Hydroelectric |
| Indian Creek | California | Alpine | 71 | High | Satisfactory | 1967 | Water Supply |
| Elysian | California | Los Angeles | 71 | High | Satisfactory | 1943 | Water Supply |
| Haines Canyon Debris Dam | California | Los Angeles | 70 | High | Not Available | 1938 | Debris Control |
| Whiskeytown Dike 2 | California | Shasta | 70 | High | Not Available | 1963 | Hydroelectric |
| Slate Creek | California | Plumas | 70 | Low | Satisfactory | 1961 | Hydroelectric |
| Stevenot | California | Calaveras | 70 | Low | Satisfactory | 1987 | Water Supply |
| Sabrina | California | Inyo | 70 | High | Fair | 1908 | Hydroelectric |
| Jayne'S Lake | California | Mendocino | 70 | Low | Satisfactory | 1985 | Other |
| Dick Week | California | Napa | 70 | Significant | Satisfactory | 1955 | Water Supply |
| Reba | California | Alpine | 70 | High | Satisfactory | 1965 | Water Supply |
| Sierra Madre | California | Los Angeles | 69 | High | Satisfactory | 1928 | Debris Control |
| Gardella | California | Tuolumne | 69 | Low | Satisfactory | 2009 | Water Supply |
| Williams | California | Santa Clara | 69 | Low | Satisfactory | 1895 | Water Supply |
| San Justo Dike | California | San Benito | 69 | High | Not Available | 1987 | Irrigation |
| 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 |
| Murphys Forebay West | California | Calaveras | 67 | High | Satisfactory | 1953 | Hydroelectric |
| Palo Verde | California | San Diego | 67 | High | Satisfactory | 1970 | Water Supply |
| Haynes Reservoir | California | Shasta | 67 | High | Satisfactory | 1965 | Other |
| Arroyo Seco | California | Amador | 67 | High | Satisfactory | 1957 | Water Supply |
| Felt Lake | California | Santa Clara | 67 | High | Fair | 1930 | Water Supply |
| Lang Creek Detention Basin | California | Ventura | 67 | High | Satisfactory | 2004 | Flood Risk Reduction |
| Tejon Storage 2 | California | Kern | 67 | Low | Satisfactory | 1956 | Water Supply |
| Annadel No. 1 | California | Sonoma | 67 | High | Fair | 1956 | Water Supply |
| Kuhn | California | Santa Clara | 67 | High | Satisfactory | 1947 | Water Supply |
| Senator Wash-North Dike | California | Imperial | 67 | High | Not Available | 1966 | Hydroelectric |
| Lolonis Vineyards | California | Mendocino | 67 | High | Satisfactory | 1999 | Water Supply |
| Calavera | California | San Diego | 67 | High | Satisfactory | 1940 | Water Supply |
| Morris | California | Mendocino | 66 | High | Satisfactory | 1927 | Water Supply |
| Thompson Creek | California | Los Angeles | 66 | High | Satisfactory | 1928 | Flood Risk Reduction |
| Alessandro | California | Riverside | 66 | High | Satisfactory | 1956 | Flood Risk Reduction |
| Lake William | California | Napa | 66 | High | Satisfactory | 1960 | Water Supply |
| Dry Canyon | California | Los Angeles | 66 | High | Satisfactory | 1912 | Flood Risk Reduction |
| A. L. Chaffin | California | Butte | 65 | Low | Satisfactory | 1957 | Water Supply |
| 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 |
| West Valley | California | Modoc | 65 | High | Satisfactory | 1936 | Water Supply |
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.