Marion County Roadgrade Dam 17-76-18
Iowa — Marion County — TR-DES MOINES RIVER
Location
| State | Iowa |
| County | Marion |
| River | TR-DES MOINES RIVER |
| Coordinates | 41.38220, -92.96250 |
Physical Characteristics
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 1,000 ft |
| NID Storage | 1,144 acre-ft |
| Max Storage | 1,144 acre-ft |
| Surface Area | 41 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Poor |
| EAP Status | Not Required |
| Last Inspection | July 2, 2024 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1965 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Marion County Board of Supervisors |
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.