Fourth Lake
| Dam Name | Fourth Lake |
| River | Sissiboo |
| Near City | Weymouth |
| Administration City | Nova Scotia |
| Country | Canada |
| Year | 1960 |
| Dam Height | 22 |
| Dam Length | 442 |
| Area(Sqkm) | 20.7 |
| Area(Polygonal) | 20.7 |
| Capital Expenditure | 145.6 |
| Depth(M) | 7 |
| Avg Displacement Of Water | 7099 |
| Catchment Area In Sqkm | 282 |
| Main Usage | Hydroelectricity |
| Status | 3: Fair |
| Longitude | -65.717917 |
| Latitude | 44.369583 |
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