Deerfield Reservoir
| Reservoir Name | Deerfield |
| Dam Name | Deerfield |
| River | Castle Creek |
| Administration City | South Dakota |
| Country | United States |
| Year | 1946 |
| Dam Height | 52 |
| Dam Length | 580 |
| Area(Sqkm) | 1.4 |
| Area(Polygonal) | 1.4 |
| Capital Expenditure | 19.1 |
| Depth(M) | 13.6 |
| Avg Displacement Of Water | 269 |
| Catchment Area In Sqkm | 234 |
| Main Usage | Water supply |
| Status | 2: Good |
| Longitude | -103.78625 |
| Latitude | 44.02875 |
List all Dams and Reservoirs