Allerdings No.1
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Walworth |
| River/Stream | TR-PERO CREEK |
| Coordinates | 45.37293, -100.23583 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 467 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 45 acre-ft |
| Max Storage | 45 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 235 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | ALVIN ALLERDINGS |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |