White Pine Mine North Tailings Dam #2
Key Takeaway
White Pine Mine North Tailings Dam #2 is classified as significant hazard in Michigan. It was completed in 1971 and is 55 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 75 ft (taller than 98.6% in MI) |
| Dam Length | 42,240 ft |
| Dam Type | Earth |
| Max Storage | 39.0K acre-ft |
| Normal Storage | 27.0K acre-ft |
| Surface Area | 900 acres |
| Drainage Area | 14 sq mi |
| Max Discharge | 580 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | MI00269 |
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
INMET Mining Company
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of White Pine Mine North Tailings Dam #2?
White Pine Mine North Tailings Dam #2 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 White Pine Mine North Tailings Dam #2?
White Pine Mine North Tailings Dam #2 is owned by INMET Mining Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was White Pine Mine North Tailings Dam #2 built?
White Pine Mine North Tailings Dam #2 was completed in 1971, making it 55 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 White Pine Mine North Tailings Dam #2?
White Pine Mine North Tailings Dam #2 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 White Pine Mine North Tailings Dam #2?
White Pine Mine North Tailings Dam #2 has a dam height of 75 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 White Pine Mine North Tailings Dam #2 last inspected?
White Pine Mine North Tailings Dam #2 was last inspected on May 16, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.