Arnprior Main Dam
| Dam Name | Arnprior Main Dam |
| River | Madawaska |
| Near City | Ottawa |
| Administration City | Ontario |
| Country | Canada |
| Year | 1976 |
| Dam Height | 35 |
| Dam Length | 840 |
| Area(Sqkm) | 8 |
| Area(Polygonal) | 8 |
| Capital Expenditure | 96.2 |
| Depth(M) | 12 |
| Avg Displacement Of Water | 111382 |
| Catchment Area In Sqkm | 8482 |
| Main Usage | Hydroelectricity |
| Status | 3: Fair |
| Longitude | -76.345417 |
| Latitude | 45.417917 |
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