Simpson Bros.
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Perkins |
| Nearest City | NONE |
| River/Stream | TR-SOUTH GRAND RIVER |
| Coordinates | 45.61666, -102.85832 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 450 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 42 acre-ft |
| Max Discharge | 1,000 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | SIMPSON BROS. |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |