Dams in San Luis Obispo County, California
13Total Dams
10High Hazard
1Significant
Dam Safety in San Luis Obispo County, California
San Luis Obispo County has 13 dams tracked in the National Inventory of Dams. Of these, 10 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.
The average dam in San Luis Obispo County is 68 years old. The most common purpose is water supply. The tallest dam is Nacimiento at 255 ft.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Nacimiento | High | Poor | 255 | Hydroelectric | 1956 |
| Whale Rock | High | Satisfactory | 193 | Water Supply | 1960 |
| Lopez | High | Satisfactory | 166 | Water Supply | 1969 |
| Salinas Dam | High | Not Available | 135 | Water Supply | 1941 |
| Righetti | High | Satisfactory | 83 | Other | 1966 |
| Chorro Creek | High | Satisfactory | 77 | Water Supply | 1941 |
| Eagle Ranch | High | Satisfactory | 55 | Other | 1974 |
| Terminal | High | Fair | 53 | Water Supply | 1969 |
| San Marcos | High | Satisfactory | 42 | Other | 1964 |
| Atascadero Park | High | Satisfactory | 18 | Water Supply | 1918 |
| Hartzell | Significant | Satisfactory | 50 | Water Supply | 1965 |
| Klau Dam (blm) | Low | Not Rated | 45 | Water Supply | 1961 |
| Las Tablas Creek | Low | Poor | 40 | Other | 1961 |