Lake Mahopac Dam
| Dam Name | Lake Mahopac Dam |
| River | Muscoot River |
| Administration City | New York |
| Country | United States |
| Year | 1940 |
| Dam Height | 3 |
| Dam Length | 58 |
| Area(Sqkm) | 2.3 |
| Area(Polygonal) | 2.3 |
| Capital Expenditure | 22 |
| Depth(M) | 9.6 |
| Avg Displacement Of Water | 100 |
| Catchment Area In Sqkm | 7 |
| Main Usage | Recreation |
| Status | 4: Poor |
| Longitude | -73.74375 |
| Latitude | 41.382917 |
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