Henry Holwenger
Significant Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Corson |
| Nearest City | BULLHEAD |
| River/Stream | TR-ROCK CREEK |
| Coordinates | 45.89233, -101.06276 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 144 acre-ft |
| Max Storage | 144 acre-ft |
| Normal Storage | 54 acre-ft |
| Max Discharge | 6,240 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | HENRY HOLWENGER |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |