Essar Steel Tailings Basin
O'Brien Creek-OS·
Itasca, Minnesota·
Built 2011·
Earth·
200 ft tall
Physical Details
| Dam Height | 200 ft (taller than 99.7% in MN) |
| Dam Length | 30,600 ft |
| Dam Type | Earth |
| Max Storage | 13.8K acre-ft |
| Normal Storage | 6.9K acre-ft |
| Surface Area | 1,377 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 2011 (15 years old) |
| NID ID | MN01616 |
Safety Information
Significant Hazard
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities
Emergency Action Plan: No
Last Inspection: October 5, 2023
State Regulated: Yes
Regulatory Agency: MNDNR EWR
Ownership
ESSAR Steel Minnesota
Private
Nearby Dams
Essar Steel Reclaim Pond
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Low Hazard 70 ftButler Taconite Initial Tailings
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Unknown 18 ftO'Brien North
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Significant Hazard 49 ftHill Annex Dike 1
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Low Hazard 65 ftReservoir No. 2
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Significant Hazard 33 ftPerry-Wyman Tailings
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Low Hazard 35 ftCharter
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Low Hazard 8 ftHill Annex Dike 3
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Significant Hazard 63 ftFrequently Asked Questions
What is the hazard classification of Essar Steel Tailings Basin?
Essar Steel Tailings Basin is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Who owns Essar Steel Tailings Basin?
Essar Steel Tailings Basin is owned by ESSAR Steel Minnesota (Private).
When was Essar Steel Tailings Basin last inspected?
Essar Steel Tailings Basin was last inspected on October 5, 2023.
When was Essar Steel Tailings Basin built?
Essar Steel Tailings Basin was completed in 2011, making it 15 years old.
Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.