Long Lake
California — Plumas County — Gray Eagle Creek
Location
| State | California |
| County | Plumas |
| River | Gray Eagle Creek |
| Coordinates | 39.70650, -120.67890 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 110 ft |
| NID Storage | 1,478 acre-ft |
| Max Storage | 1,478 acre-ft |
| Surface Area | 141 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | August 14, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1938 |
| Primary Purpose | Water Supply |
| Dam Type | Rockfill |
| Owner Type | Private |
| Owner | Graeagle Land and Water Company |
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.