Alcona
| Dam Name | Alcona |
| River | Au Sable |
| Administration City | Michigan |
| Country | United States |
| Year | 1924 |
| Dam Height | 18 |
| Dam Length | 1469 |
| Area(Sqkm) | 3.6 |
| Area(Polygonal) | 3.6 |
| Capital Expenditure | 30.8 |
| Depth(M) | 8.6 |
| Avg Displacement Of Water | 32563 |
| Catchment Area In Sqkm | 4177 |
| Main Usage | Hydroelectricity |
| Status | 2: Good |
| Longitude | -83.80375 |
| Latitude | 44.56625 |
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