Marion County Roadgrade Dam 17-76-18
Significant HazardPoor ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Marion |
| Nearest City | HARVEY |
| River/Stream | TR-DES MOINES RIVER |
| Coordinates | 41.38220, -92.96250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 1,144 acre-ft |
| Max Storage | 1,144 acre-ft |
| Normal Storage | 324 acre-ft |
| Surface Area | 41 acres |
| Drainage Area | 4 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Marion County Board of Supervisors |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 07/02/2024 |
| Emergency Action Plan | Not Required |