Mine Lake
Key Takeaway
Mine Lake is classified as significant hazard in New York. It was completed in 1845 and is 181 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 63.7% in NY) |
| Dam Length | 647 ft |
| Dam Type | Concrete |
| Max Storage | 235 acre-ft |
| Normal Storage | 235 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 4,200 cfs |
| Year Completed | 1845 (181 years old) |
| Year Modified | 2016 |
| NID ID | NY00767 |
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
West Point
Federal Government
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Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Mine Lake?
Mine Lake 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 Mine Lake?
Mine Lake is owned by West Point (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mine Lake built?
Mine Lake was completed in 1845, making it 181 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 Mine Lake?
Mine Lake serves the following purposes: Water Supply, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mine Lake?
Mine Lake has a dam height of 22 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 Mine Lake last inspected?
Mine Lake was last inspected on September 13, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.