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 551–575 of 821
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Patterson El Dorado County | 37 | 1960 | High | Satisfactory |
| Peju Reservoir No. 2 Napa County | 14 | — | High | Poor |
| Pennsylvania Creek Solano County | 14 | 1958 | High | Satisfactory |
| Perris Riverside County | 130 | 1973 | High | Satisfactory |
| Perris Hill Reservoir San Bernardino County | 31 | 1962 | High | Satisfactory |
| Peters Marin County | 230 | 1954 | High | Satisfactory |
| Peters Canyon Orange County | 54 | 1932 | High | Satisfactory |
| Philbrook Main Butte County | 87 | 1926 | High | Satisfactory |
| Phoenix Tuolumne County | 52 | 1880 | High | Satisfactory |
| Phoenix Lake Marin County | 90 | 1907 | High | Satisfactory |
| Pigeon Pass Riverside County | 40 | 1958 | High | Satisfactory |
| Pilarcitos San Mateo County | 103 | 1866 | High | Poor |
| Pine Creek Contra Costa County | 87 | 1956 | High | Satisfactory |
| Pine Creek Detention Contra Costa County | 30 | 1981 | High | Satisfactory |
| Pine Flat Dam Fresno County | 440 | 1954 | High | Not Available |
| Piner Creek Sonoma County | 28 | 1962 | High | Satisfactory |
| Pit No. 1 Forebay Shasta County | 47 | 1947 | High | Fair |
| Pit No. 3 Diversion Shasta County | 135 | 1925 | High | Satisfactory |
| Pit No. 4 Diversion Shasta County | 110 | 1927 | High | Satisfactory |
| Pit No. 5 Open Conduit Shasta County | 71 | 1944 | High | Fair |
| Pit No. 6 Diversion Shasta County | 195 | 1965 | High | Satisfactory |
| Pit No. 7 Diversion Shasta County | 228 | 1965 | High | Satisfactory |
| Pleasant Valley Inyo County | 87 | 1957 | High | Satisfactory |
| Pomponio Ranch San Mateo County | 64 | 1952 | High | Satisfactory |
| Pond 11 Santa Clara County | 80 | — | High | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.