Lake Hopatcong Dam
| Dam Name | Lake Hopatcong Dam |
| River | Muscontcong River |
| Administration City | New Jersey |
| Country | United States |
| Year | 1925 |
| Dam Height | 5 |
| Dam Length | 83 |
| Area(Sqkm) | 9.2 |
| Area(Polygonal) | 9.2 |
| Capital Expenditure | 59.5 |
| Depth(M) | 6.5 |
| Avg Displacement Of Water | 985 |
| Catchment Area In Sqkm | 64 |
| Main Usage | Flood control |
| Status | 3: Fair |
| Longitude | -74.662917 |
| Latitude | 40.917917 |
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