Lake Desmet Reservoir
| Reservoir Name | Lake Desmet |
| Dam Name | Lake Desmet |
| River | Piney Creek |
| Administration City | Wyoming |
| Country | United States |
| Year | 1975 |
| Dam Height | 37 |
| Dam Length | 1219 |
| Area(Sqkm) | 12.7 |
| Area(Polygonal) | 12.7 |
| Capital Expenditure | 289.9 |
| Depth(M) | 22.8 |
| Avg Displacement Of Water | 173 |
| Catchment Area In Sqkm | 102 |
| Main Usage | Water supply |
| Status | 2: Good |
| Longitude | -106.782917 |
| Latitude | 44.515417 |
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