Alcorn
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Harding |
| Nearest City | NONE |
| River/Stream | TRIB-S FORK GRAND RIVER |
| Coordinates | 45.73499, -103.58499 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 104 acre-ft |
| Max Storage | 104 acre-ft |
| Normal Storage | 84 acre-ft |
| Max Discharge | 1,470 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | CLARKSON & CATTLE |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |