California Dams
1,436 dams tracked by the National Inventory of Dams
Total Dams
1,436
High Hazard
821
57.2%
Poor / Unsatisfactory
66
Average Age
77 yrs
Hazard Classification
High821 (57.2%)
Significant160 (11.1%)
Low455 (31.7%)
Condition Assessment
Satisfactory1,093 (76.1%)
Fair106 (7.4%)
Poor / Unsatisfactory66 (4.6%)
Not Rated171 (11.9%)
Federal
163
State
50
Local
322
Private
617
Tallest Dams
- New Bullards Bar645 ft
- New Melones Dam625 ft
- Shasta Dam602 ft
- Don Pedro Main585 ft
- Seven Oaks550 ft
High Hazard Dams
- New Bullards BarHigh
- New Melones DamHigh
- Shasta DamHigh
- Don Pedro MainHigh
- Seven OaksHigh
Poor Condition Dams
- CastaicPoor
- NacimientoPoor
- AndersonUnsatisfactory
- El CapitanPoor
- Santa FeliciaPoor
All Dams in California
Showing 526–550 of 1,436
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Harvey Place Alpine County | 72 | 1989 | High | Satisfactory |
| Hat Creek No. 2 Diversion Shasta County | 29 | 1943 | Low | Satisfactory |
| Hawkins San Benito County | 72 | 1928 | Significant | Fair |
| Haynes Reservoir Shasta County | 67 | 1965 | High | Satisfactory |
| Headworks Reservoir East Los Angeles County | 32 | 2016 | Low | Satisfactory |
| Headworks Reservoir West Los Angeles County | 32 | 2022 | Low | Satisfactory |
| Healdsburg Recreation Sonoma County | 15 | 1953 | Low | Fair |
| Heath Reservoir Lassen County | 45 | 1965 | Low | Satisfactory |
| Heenan Lake Alpine County | 39 | 1929 | Low | Satisfactory |
| Hein Calaveras County | 16 | 1962 | Low | Satisfactory |
| Heitz Napa County | 87 | 1991 | High | Satisfactory |
| Hell Hole Placer County | 410 | 1966 | High | Fair |
| Henderson Amador County | 56 | 1923 | High | Fair |
| Hendricks Mariposa County | 33 | 1958 | Low | Satisfactory |
| Hendricks Head Butte County | 15 | 1907 | Low | Satisfactory |
| Henne Napa County | 49 | 1959 | High | Satisfactory |
| Henry J. Mills No. 2 Riverside County | 34 | 1996 | High | Satisfactory |
| Henry J. Mills Reservoir Riverside County | 23 | 1979 | High | Satisfactory |
| Henry Jr. San Diego County | 33 | 1929 | Low | Satisfactory |
| Henshaw San Diego County | 123 | 1923 | High | Satisfactory |
| Hernandez San Benito County | 124 | 1962 | High | Satisfactory |
| Herring Creek Reservoir Tuolumne County | 16 | 1939 | Significant | Not Rated |
| Hestan Vineyards Dam Napa County | 21 | — | High | Fair |
| Hickory Basin San Bernardino County | 19 | 2001 | Significant | Satisfactory |
| Hicks Canyon Retention Basin Orange County | 60 | 1997 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.