Lake Hammonasset Reservoir
| Reservoir Name | Lake Hammonasset |
| Dam Name | Hammonasset Dam |
| River | Hammonasset River |
| Administration City | Connecticut |
| Country | United States |
| Year | 1956 |
| Dam Height | 15 |
| Dam Length | 136 |
| Area(Sqkm) | 0.2 |
| Area(Polygonal) | 0.2 |
| Capital Expenditure | 10.3 |
| Depth(M) | 51.5 |
| Avg Displacement Of Water | 687 |
| Catchment Area In Sqkm | 53 |
| Main Usage | Water supply |
| Status | 4: Poor |
| Longitude | -72.609583 |
| Latitude | 41.362083 |
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