Hog Flat
High HazardSatisfactory ConditionEmergency Action Plan: No
Location
| County | Lassen |
| River/Stream | Tr Susan River |
| Coordinates | 40.43630, -120.91220 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 1,760 ft |
| Year Completed | 1891 (135 years old) |
Storage & Hydraulics
| NID Storage | 8,000 acre-ft |
| Max Storage | 8,000 acre-ft |
| Surface Area | 1,000 acres |
| Drainage Area | 8 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Lassen Irrigation Company |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/27/2025 |
| Emergency Action Plan | No |