Brophy Big Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Custer |
| Nearest City | NONE |
| River/Stream | TR-CHEYENNE RIVER |
| Coordinates | 43.70499, -103.04332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 850 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 336 acre-ft |
| Max Storage | 336 acre-ft |
| Normal Storage | 288 acre-ft |
| Max Discharge | 2,200 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | RANDALL RANCH |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |