A.w. Spiry
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Walworth |
| Nearest City | NONE |
| River/Stream | TR-MISSOURI |
| Coordinates | 45.53499, -100.35666 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 380 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 35 acre-ft |
| Max Discharge | 600 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | A.W. SPIRY |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |