First Connecticut Lake Dam
| Dam Name | First Connecticut Lake Dam |
| River | Connecticut River |
| Administration City | New Hampshire |
| Country | United States |
| Year | 1930 |
| Dam Height | 17 |
| Dam Length | 340 |
| Area(Sqkm) | 10.7 |
| Area(Polygonal) | 10.7 |
| Capital Expenditure | 140.6 |
| Depth(M) | 13.1 |
| Avg Displacement Of Water | 4571 |
| Catchment Area In Sqkm | 220 |
| Main Usage | Flood control |
| Status | 2: Good |
| Longitude | -71.287917 |
| Latitude | 45.090417 |
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