Twelve Mile Creek Watershed Site M-1
Iowa — Union County
Location
| State | Iowa |
| County | Union |
| Coordinates | 41.05300, -94.25690 |
Physical Characteristics
| NID Height | 66 ft |
| Dam Height | 66 ft |
| Dam Length | 2,100 ft |
| NID Storage | 27,200 acre-ft |
| Max Storage | 27,200 acre-ft |
| Surface Area | 633 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1983 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | — |
| Owner Type | — |
| Owner | Creston Waterworks |
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.