Hamm Mine
Key Takeaway
Hamm Mine is classified as low hazard in Vermont. It was completed in 2012 and is 14 years old. Its primary use is other.
Physical Details
| Dam Height | 10 ft (taller than 9.5% in VT) |
| Dam Length | 20 ft |
| Max Storage | 64 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 2012 (14 years old) |
| NID ID | VT83050 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
IMERYS TALC
Private
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Significant Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Hamm Mine?
Hamm Mine is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Hamm Mine?
Hamm Mine is owned by IMERYS TALC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hamm Mine built?
Hamm Mine was completed in 2012, making it 14 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 Hamm Mine?
Hamm Mine serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hamm Mine?
Hamm Mine has a dam height of 10 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 Hamm Mine last inspected?
Hamm Mine was last inspected on October 25, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.