Johnston Dam
Iowa — Dallas County — TR-MIDDLE RACCOON RIVER
Location
| State | Iowa |
| County | Dallas |
| River | TR-MIDDLE RACCOON RIVER |
| Coordinates | 41.62650, -94.21590 |
Physical Characteristics
| NID Height | 43 ft |
| Dam Height | 43 ft |
| Dam Length | 245 ft |
| NID Storage | 35 acre-ft |
| Max Storage | 35 acre-ft |
| Surface Area | 2 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | June 8, 1978 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1971 |
| Primary Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Thomas R Johnston |
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.