Johnson Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Deuel |
| Nearest City | NONE |
| River/Stream | TRIB. MUD CREEK |
| Coordinates | 44.97466, -96.62581 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 250 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Max Storage | 180 acre-ft |
| Normal Storage | 50 acre-ft |
| Max Discharge | 675 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | JAMES A. JOHNSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |