Alexander Dam
South Dakota — Sully County
Location
| State | South Dakota |
| County | Sully |
| Coordinates | 44.69855, -100.56315 |
Physical Characteristics
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 870 ft |
| NID Storage | 1,150 acre-ft |
| Max Storage | 1,150 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | — |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1976 |
| Primary Purpose | Fish and Wildlife Pond |
| Dam Type | — |
| Owner Type | — |
| Owner | Rocky Alexander |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.