Plant Site Settling
Key Takeaway
Plant Site Settling is classified as significant hazard in Minnesota. It was completed in 1950 and is 76 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 15 ft (taller than 50.4% in MN) |
| Dam Length | 2,400 ft |
| Dam Type | Earth |
| Max Storage | 463 acre-ft |
| Normal Storage | 297 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 295 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | MN00782 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ArcelorMittal
Private
Nearby Dams
Minorca Pit South
St. Louis, MN
Significant Hazard 30 ftSauntry Creek Settling
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Low Hazard 32 ftUpland Cell Ii Interior
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Significant Hazard 60 ftInland Steel Tailings
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High Hazard 44 ftMinntac Tailings
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Low Hazard 50 ftEly Lake
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Low Hazard 6 ftWest Two River
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Significant Hazard 40 ftEsquagama Lake
St. Louis, MN
Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Plant Site Settling?
Plant Site Settling is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Plant Site Settling?
Plant Site Settling is owned by ArcelorMittal (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Plant Site Settling built?
Plant Site Settling was completed in 1950, making it 76 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Plant Site Settling?
Plant Site Settling serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Plant Site Settling?
Plant Site Settling has a dam height of 15 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Plant Site Settling last inspected?
Plant Site Settling was last inspected on September 20, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.