Pioneer Tailings
Minnesota — St. Louis County — Lonsdorf Creek
Location
| State | Minnesota |
| County | St. Louis |
| River | Lonsdorf Creek |
| Coordinates | 47.88638, -91.88852 |
Physical Characteristics
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 2,000 ft |
| NID Storage | 590 acre-ft |
| Max Storage | 590 acre-ft |
| Surface Area | 63 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Fair |
| EAP Status | Not Required |
| Last Inspection | September 19, 2023 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1961 |
| Primary Purpose | Tailings |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | City of Ely |
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.