Autumn Ridge Detention Dam
Michigan — Macomb County — Shanahan Drain
Location
| State | Michigan |
| County | Macomb |
| River | Shanahan Drain |
| Coordinates | 42.55667, -83.08167 |
Physical Characteristics
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 34 ft |
| NID Storage | 23 acre-ft |
| Max Storage | 23 acre-ft |
| Surface Area | 1 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | July 6, 1982 |
| Inspection Frequency | 4 |
Dam Information
| Year Completed | 1982 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Macomb County |
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.