Dams in Inyo County, California
8Total Dams
6High Hazard
1Significant
Dam Safety in Inyo County, California
Inyo County has 8 dams tracked in the National Inventory of Dams. Of these, 6 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Inyo County is 106 years old. The most common purpose is hydroelectric. The tallest dam is Pleasant Valley at 87 ft.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Pleasant Valley | High | Satisfactory | 87 | Other | 1957 |
| Hillside | High | Satisfactory | 82 | Hydroelectric | 1910 |
| Haiwee | High | Fair | 81 | Water Supply | 1913 |
| Sabrina | High | Fair | 70 | Hydroelectric | 1908 |
| Tinemaha | High | Poor | 32 | Other | 1928 |
| Big Pine Creek | High | Satisfactory | 14 | Water Supply | |
| Bishop Creek Intake No. 2 | Significant | Fair | 30 | Hydroelectric | 1908 |
| Longley | Low | Satisfactory | 27 | Hydroelectric | 1910 |