Hafner Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Lyman |
| Nearest City | OACOMA |
| River/Stream | DRY DRAW |
| Coordinates | 43.94499, -99.46666 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 255 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 100 acre-ft |
| Max Discharge | 1,400 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | KENNY FARREL |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |