Elm Lake Dam
| Dam Name | Elm Lake Dam |
| River | Elm River |
| Administration City | South Dakota |
| Country | United States |
| Year | 1937 |
| Dam Height | 16 |
| Dam Length | 351 |
| Area(Sqkm) | 3.4 |
| Area(Polygonal) | 3.4 |
| Capital Expenditure | 35.5 |
| Depth(M) | 10.4 |
| Avg Displacement Of Water | 1 |
| Catchment Area In Sqkm | 677 |
| Main Usage | Water supply |
| Status | 2: Good |
| Longitude | -98.707917 |
| Latitude | 45.85375 |
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