Heenan Lake
California — Alpine County — Tr Efk Carson R
Location
| State | California |
| County | Alpine |
| River | Tr Efk Carson R |
| Coordinates | 38.65530, -119.66480 |
Physical Characteristics
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 600 ft |
| NID Storage | 3,100 acre-ft |
| Max Storage | 3,100 acre-ft |
| Surface Area | 124 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | No |
| Last Inspection | August 27, 2025 |
| Inspection Frequency | 0.5 |
Dam Information
| Year Completed | 1929 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | State |
| Owner | California Department of Fish and Wildlife |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.