Tappan Lake Reservoir
| Reservoir Name | Tappan Lake |
| Dam Name | Tappan Dam |
| River | Little Stillwater Creek |
| Administration City | Ohio |
| Country | United States |
| Year | 1936 |
| Dam Height | 16 |
| Dam Length | 472 |
| Area(Sqkm) | 8.2 |
| Area(Polygonal) | 8.2 |
| Capital Expenditure | 76 |
| Depth(M) | 9.3 |
| Avg Displacement Of Water | 2459 |
| Catchment Area In Sqkm | 188 |
| Main Usage | Flood control |
| Status | 2: Good |
| Longitude | -81.22625 |
| Latitude | 40.357917 |
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