Teaureau Reservoir
| Reservoir Name | Teaureau |
| Dam Name | Mattawin |
| River | Mattawin |
| Near City | St. Michel des-Saints |
| Administration City | Quebec |
| Country | Canada |
| Year | 1930 |
| Dam Height | 26 |
| Dam Length | 720 |
| Area(Sqkm) | 79 |
| Area(Polygonal) | 79 |
| Capital Expenditure | 790 |
| Depth(M) | 10 |
| Avg Displacement Of Water | 67722 |
| Catchment Area In Sqkm | 4261 |
| Main Usage | Hydroelectricity |
| Status | 3: Fair |
| Longitude | -73.65375 |
| Latitude | 46.865417 |
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