Jefferson Park Watershed Site 4
Iowa — Wapello County — TR-DES MOINES RIVER
Location
| State | Iowa |
| County | Wapello |
| River | TR-DES MOINES RIVER |
| Coordinates | 40.97720, -92.43300 |
Physical Characteristics
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 510 ft |
| NID Storage | 128 acre-ft |
| Max Storage | 128 acre-ft |
| Surface Area | 4 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | June 27, 2023 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1978 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | City of Ottumwa |
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.