Minntac Tailings
Minnesota, St. Louis County, Closed System-OS
Location
| State | Minnesota |
| County | St. Louis |
| River | Closed System-OS |
| Coordinates | 47.59860, -92.62857 |
Physical Characteristics
| NID Height | 50 ft |
| Dam Height | 50 ft |
| Dam Length | 63,360 ft |
| NID Storage | 143,000 acre-ft |
| Max Storage | 143,000 acre-ft |
| Surface Area | - |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | - |
| EAP Status | Not Required |
| Last Inspection | November 6, 2024 |
| Inspection Frequency | 4 |
Dam Information
| Year Completed | 1978 |
| Primary Purpose | Tailings |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | US Steel |
| Other Name | Minntac T Dam One and Two |
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.