Johnson
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Pennington |
| Nearest City | NONE |
| River/Stream | TR-BAD RIVER |
| Coordinates | 43.98166, -102.19332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 1,400 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 517 acre-ft |
| Max Storage | 517 acre-ft |
| Normal Storage | 352 acre-ft |
| Max Discharge | 1,250 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | FRED WOLF |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |