Long Lake
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| County | Plumas |
| River/Stream | Gray Eagle Creek |
| Coordinates | 39.70650, -120.67890 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 110 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 1,478 acre-ft |
| Max Storage | 1,478 acre-ft |
| Surface Area | 141 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Graeagle Land and Water Company |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/14/2025 |
| Emergency Action Plan | Yes |