Polymet-Ltv
Minnesota — St. Louis County
Location
| State | Minnesota |
| County | St. Louis |
| Coordinates | 47.63194, -92.10233 |
Physical Characteristics
| NID Height | 69 ft |
| Dam Height | 65 ft |
| Dam Length | 7,000 ft |
| NID Storage | 3,000 acre-ft |
| Max Storage | 3,000 acre-ft |
| Surface Area | 200 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 4 |
Dam Information
| Year Completed | 1981 |
| Primary Purpose | Tailings |
| Dam Type | — |
| Owner Type | — |
| Owner | Poly Met Mining, Inc. |
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.