Minntac Tailings
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Minnesota |
| County | St. Louis |
| Nearest City | local residents |
| River/Stream | Closed System-OS |
| Coordinates | 47.59860, -92.62857 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 50 ft |
| Dam Height | 50 ft |
| Dam Length | 63,360 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 143,000 acre-ft |
| Max Storage | 143,000 acre-ft |
| Normal Storage | 114,000 acre-ft |
| Drainage Area | 13 sq mi |
Ownership & Safety
| Purpose | Tailings |
| Owner | US Steel |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 11/06/2024 |
| Emergency Action Plan | Not Required |