Jefferson Lake
| Dam Name | Jefferson Lake |
| River | Trib. Big Cannon River |
| Administration City | Minnesota |
| Country | United States |
| Year | 1938 |
| Dam Height | 3 |
| Dam Length | 5 |
| Area(Sqkm) | 2.4 |
| Area(Polygonal) | 2.4 |
| Capital Expenditure | 31.4 |
| Depth(M) | 13.1 |
| Avg Displacement Of Water | 449 |
| Catchment Area In Sqkm | 101 |
| Main Usage | Other |
| Status | 4: Poor |
| Longitude | -93.80875 |
| Latitude | 44.277917 |
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