Second Connecticut Lake Dam
| Dam Name | Second Connecticut Lake Dam |
| River | Connecticut River |
| Administration City | New Hampshire |
| Country | United States |
| Year | 1935 |
| Dam Height | 9 |
| Dam Length | 173 |
| Area(Sqkm) | 3.8 |
| Area(Polygonal) | 3.8 |
| Capital Expenditure | 15.4 |
| Depth(M) | 4.1 |
| Avg Displacement Of Water | 2334 |
| Catchment Area In Sqkm | 113 |
| Main Usage | Flood control |
| Status | 2: Good |
| Longitude | -71.17625 |
| Latitude | 45.14625 |
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