Lake Jefferson
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Minnesota |
| County | Le Sueur |
| Nearest City | WATERVILLE |
| River/Stream | BIG CANNON RIVER - TR |
| Coordinates | 44.27787, -93.74338 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 9 ft |
| Dam Height | 7 ft |
| Dam Length | 15 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 25,489 acre-ft |
| Max Storage | 25,489 acre-ft |
| Normal Storage | 18,544 acre-ft |
| Surface Area | 700 acres |
| Drainage Area | 16 sq mi |
| Max Discharge | 265 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | MNDNR-Trails |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/27/2008 |
| Emergency Action Plan | Not Required |