Koskan
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Mellette |
| Nearest City | NONE |
| River/Stream | TR. BIG WHITE OFFSTREAM |
| Coordinates | 43.58034, -100.37819 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 342 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 47 acre-ft |
| Max Discharge | 100 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | KOSKAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |