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 |
|---|---|---|---|---|---|---|---|
| Moskowite | California | Napa | 50 | Low | Satisfactory | 1955 | Water Supply |
| Bidwell Bar Canyon Saddle | California | Butte | 50 | High | Satisfactory | 1968 | Flood Risk Reduction |
| Chollas | California | San Diego | 50 | High | Satisfactory | 1901 | Other |
| Sunfler | California | Tehama | 50 | Low | Satisfactory | 1976 | Other |
| Wilson Debris Basin | California | Los Angeles | 50 | High | Satisfactory | 1961 | Debris Control |
| Hansen Recreational Lake | California | Los Angeles | 50 | Low | Satisfactory | 1999 | Water Supply |
| Guenoc Lake | California | Lake | 50 | High | Satisfactory | 1928 | Other |
| Quail | California | Los Angeles | 50 | High | Satisfactory | 1981 | Water Supply |
| Langtry | California | Lake | 50 | Low | Satisfactory | 1992 | Water Supply |
| Harrison Street | California | Riverside | 50 | High | Satisfactory | 1954 | Flood Risk Reduction |
| Lake La Verne | California | Napa | 50 | Significant | Satisfactory | 1956 | Water Supply |
| Rush Meadows | California | Mono | 50 | High | Poor | 1925 | Hydroelectric |
| J. W. Wisda | California | Los Angeles | 50 | Low | Satisfactory | 1958 | Recreation |
| Big Dry Creek | California | Fresno | 50 | High | Satisfactory | 1948 | Flood Risk Reduction |
| Blanchard Debris Basin | California | Los Angeles | 50 | High | Satisfactory | 1966 | Debris Control |
| Hughes | California | Monterey | 50 | Low | Poor | 1966 | Fire Protection, Stock, Or ... |
| Cactus Basin #4 | California | San Bernardino | 50 | High | Satisfactory | 2022 | Flood Risk Reduction |
| Hartzell | California | San Luis Obispo | 50 | Significant | Satisfactory | 1965 | Water Supply |
| Grizzly Creek | California | Butte | 50 | Significant | Satisfactory | 1964 | Water Supply |
| Lake Ada Rose | California | Mendocino | 50 | High | Satisfactory | 1964 | Water Supply |
| Camanche Dike No. 5 | California | San Joaquin | 50 | High | Satisfactory | - | Water Supply |
| Camanche Dike No. 3 | California | San Joaquin | 50 | High | Satisfactory | - | Water Supply |
| Lopez Dam | California | Los Angeles | 50 | High | Not Available | 1954 | Debris Control |
| Robbs Peak | California | El Dorado | 50 | Low | Satisfactory | 1963 | Hydroelectric |
| Camanche Dike No. 6 | California | San Joaquin | 50 | High | Satisfactory | - | Water Supply |
| Wuest | California | San Diego | 50 | Low | Satisfactory | 1928 | Water Supply |
| The Hill Ranch | California | Sonoma | 49 | High | Satisfactory | 1955 | Water Supply |
| San Sevaine Basin #5 | California | San Bernardino | 49 | High | Satisfactory | 2004 | Debris Control |
| Ler Franklin No. 2 | California | Los Angeles | 49 | Low | Satisfactory | 1982 | Water Supply |
| East Hicks Canyon Retarding Basin | California | Orange | 49 | Low | Satisfactory | 1997 | Debris Control |
| Steidlmayer #3 | California | Sutter | 49 | Low | Satisfactory | 1961 | Water Supply |
| Lake Leticia | California | Napa | 49 | High | Satisfactory | 1960 | Water Supply |
| Morris S. Jones | California | Los Angeles | 49 | High | Satisfactory | 1952 | Water Supply |
| Box Springs | California | Riverside | 49 | High | Satisfactory | 1960 | Flood Risk Reduction |
| Chinquapin | California | Mendocino | 49 | Significant | Satisfactory | 1971 | Water Supply |
| San Felipe Ranch | California | Santa Clara | 49 | Low | Satisfactory | 1959 | Water Supply |
| Lagunita | California | Sonoma | 49 | High | Satisfactory | 1954 | Water Supply |
| Big Sage | California | Modoc | 49 | High | Satisfactory | 1921 | Water Supply |
| Brooktrails 3 North | California | Mendocino | 49 | High | Satisfactory | 1970 | Other |
| Mendocino 3 Upper | California | Mendocino | 49 | High | Satisfactory | 1915 | Other |
| Yucaipa No. 2 | California | San Bernardino | 49 | High | Satisfactory | 1978 | Water Supply |
| Henne | California | Napa | 49 | High | Satisfactory | 1959 | Water Supply |
| Nevada City Raw Water Reservoir | California | Nevada | 48 | Low | Satisfactory | 1980 | Water Supply |
| Ione Canal | California | Amador | 48 | Low | Satisfactory | 1962 | Other |
| Maria | California | San Joaquin | 48 | High | Satisfactory | 2003 | Water Supply |
| Lundy Lake | California | Mono | 48 | High | Satisfactory | 1911 | Hydroelectric |
| Lagunitas | California | Marin | 48 | Significant | Satisfactory | 1872 | Water Supply |
| Upper Wilcox | California | Madera | 48 | High | Satisfactory | 1930 | Irrigation |
| West Side Detention Dike 4 | California | Riverside | 48 | Low | Not Available | 1968 | Flood Risk Reduction |
| Hj Mills Reclamation | California | Riverside | 48 | Significant | Satisfactory | 1996 | 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.