Afton Reservoir Dam
Iowa — Union County — TR-TWELVE MILE CREEK
Location
| State | Iowa |
| County | Union |
| River | TR-TWELVE MILE CREEK |
| Coordinates | 41.03460, -94.21120 |
Physical Characteristics
| NID Height | 51 ft |
| Dam Height | 51 ft |
| Dam Length | 800 ft |
| NID Storage | 470 acre-ft |
| Max Storage | 470 acre-ft |
| Surface Area | 15 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | July 27, 2021 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1936 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | City of Afton |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.