Hanigan Dam
Iowa — Monona County — TR- WILLOW CREEK
Location
| State | Iowa |
| County | Monona |
| River | TR- WILLOW CREEK |
| Coordinates | 41.89330, -95.68000 |
Physical Characteristics
| NID Height | 44 ft |
| Dam Height | 44 ft |
| Dam Length | 720 ft |
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Surface Area | 4 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | — |
| Inspection Frequency | — |
Dam Information
| Year Completed | 2001 |
| Primary Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Larry Hanigan |
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.