Jack'S Swamp Dam No. 2
California — Modoc County — Tr Pit River
Location
| State | California |
| County | Modoc |
| River | Tr Pit River |
| Coordinates | 41.54810, -120.81650 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 300 ft |
| NID Storage | 1,013 acre-ft |
| Max Storage | 1,013 acre-ft |
| Surface Area | 457 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Satisfactory |
| EAP Status | No |
| Last Inspection | June 18, 2025 |
| Inspection Frequency | 0.5 |
Dam Information
| Year Completed | 1926 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Glenn Nader |
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.