Triple Seven No.2
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Custer |
| Nearest City | NONE |
| River/Stream | TR-CHEYENNE |
| Coordinates | 43.71333, -103.14999 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 800 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 165 acre-ft |
| Max Storage | 165 acre-ft |
| Normal Storage | 101 acre-ft |
| Max Discharge | 2,100 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | HILLENBRAND INDUSTRIES |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |