Dams in Los Angeles County, California
15Total Dams
13High Hazard
1Significant
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Pyramid | High | Fair | 422 | Water Supply | 1974 |
| San Gabriel | High | Satisfactory | 381 | Hydroelectric | 1937 |
| Hansen Dam | High | Not Available | 97 | Flood Risk Reduction | 1940 |
| Santa Fe Dam | High | Not Available | 92 | Flood Risk Reduction | 1949 |
| Silt Pond | High | Not Available | 80 | Other | |
| Haines Canyon Debris Dam | High | Not Available | 70 | Debris Control | 1938 |
| Sepulveda Dam | High | Not Available | 57 | Flood Risk Reduction | 1941 |
| Whittier Narrows Dam | High | Not Available | 56 | Flood Risk Reduction | 1957 |
| Quail | High | Satisfactory | 50 | Water Supply | 1981 |
| Lopez Dam | High | Not Available | 50 | Debris Control | 1954 |
| Fresh Water | High | Not Available | 40 | Water Supply | |
| Fresh Water | High | Not Available | 30 | Water Supply | |
| Rocky Oaks Dam | High | Not Available | 22 | Fish and Wildlife Pond | |
| Upper Franklin Dam | Significant | Not Available | 40 | Flood Risk Reduction | 1915 |
| Elderberry Forebay | Low | Satisfactory | 200 | Water Supply | 1972 |