Preissac Reservoir
| Reservoir Name | Preissac |
| Dam Name | Rapide 7 Main Dam |
| River | Ottawa |
| Near City | Cadillac |
| Administration City | Quebec |
| Country | Canada |
| Year | 1949 |
| Dam Height | 20 |
| Dam Length | 575 |
| Area(Sqkm) | 180 |
| Area(Polygonal) | 180 |
| Capital Expenditure | 610 |
| Depth(M) | 3.4 |
| Avg Displacement Of Water | 181257 |
| Catchment Area In Sqkm | 12585 |
| Main Usage | Hydroelectricity |
| Multi Dams,C,10 | Yes |
| Status | 3: Fair |
| Longitude | -78.314583 |
| Latitude | 47.76875 |
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