Johnson Dam
South Dakota — Charles Mix County — SPRING CREEK-TR
Location
| State | South Dakota |
| County | Charles Mix |
| River | SPRING CREEK-TR |
| Coordinates | 43.16645, -98.68744 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 400 ft |
| NID Storage | 340 acre-ft |
| Max Storage | 340 acre-ft |
| Surface Area | 17 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | — |
| EAP Status | Not Required |
| Last Inspection | — |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1972 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Jay Johnson Living Trust |
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.