Johnson Dam (Washington Co)
Iowa, Louisa County, Tr- Long Creek
Location
| State | Iowa |
| County | Louisa |
| River | Tr- Long Creek |
| Coordinates | 41.27000, -91.48000 |
Physical Characteristics
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 500 ft |
| NID Storage | 159 acre-ft |
| Max Storage | 159 acre-ft |
| Surface Area | 12 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | - |
| Inspection Frequency | - |
Dam Information
| Year Completed | 2005 |
| Primary Purpose | Grade Stabilization |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Jackie Johnson |
| Other Name | Johnson/Wagner Dam |
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.