Butler Taconite Initial Tailings
Key Takeaway
Butler Taconite Initial Tailings is classified as unknown in Minnesota. It was completed in 1969 and is 57 years old. Its primary use is tailings.
Physical Details
| Dam Height | 18 ft (taller than 57.4% in MN) |
| Dam Length | 24,400 ft |
| Dam Type | Earth |
| Max Storage | 5.0K acre-ft |
| Normal Storage | 2.3K acre-ft |
| Year Completed | 1969 (57 years old) |
| NID ID | MN00802 |
Safety Information
Hazard potential has not been determined.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Hanna Mining Company Age
Private
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Low Hazard 40 ftFrequently Asked Questions
What is the hazard classification of Butler Taconite Initial Tailings?
Butler Taconite Initial Tailings is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Butler Taconite Initial Tailings?
Butler Taconite Initial Tailings is owned by Hanna Mining Company Age (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Butler Taconite Initial Tailings built?
Butler Taconite Initial Tailings was completed in 1969, making it 57 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 Butler Taconite Initial Tailings?
Butler Taconite Initial Tailings 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 Butler Taconite Initial Tailings?
Butler Taconite Initial Tailings has a dam height of 18 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 Butler Taconite Initial Tailings last inspected?
Butler Taconite Initial Tailings was last inspected on June 12, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.