Allen
High HazardUnsatisfactory ConditionEmergency Action Plan: Yes
Location
| State | South Dakota |
| County | Bennett |
| Nearest City | none |
| River/Stream | No Flesh Creek -TR |
| Coordinates | 43.33329, -102.03880 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 370 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 359 acre-ft |
| Max Storage | 359 acre-ft |
| Normal Storage | 132 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 5,121 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | BIA |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 08/25/2020 |
| Emergency Action Plan | Yes |