Mountaintop Lake #2
Key Takeaway
Mountaintop Lake #2 is classified as high hazard in Pennsylvania. It was completed in 1993 and is 33 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 12 ft (taller than 16% in PA) |
| Dam Length | 320 ft |
| Dam Type | Earth |
| Max Storage | 524 acre-ft |
| Normal Storage | 524 acre-ft |
| Surface Area | 52 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1993 (33 years old) |
| NID ID | PA01805 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
EMERALD LAKES ASSOCIATION, INC.
Private
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Significant Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Mountaintop Lake #2?
Mountaintop Lake #2 is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mountaintop Lake #2?
Mountaintop Lake #2 is owned by EMERALD LAKES ASSOCIATION, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mountaintop Lake #2 built?
Mountaintop Lake #2 was completed in 1993, making it 33 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 Mountaintop Lake #2?
Mountaintop Lake #2 serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mountaintop Lake #2?
Mountaintop Lake #2 has a dam height of 12 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 Mountaintop Lake #2 last inspected?
Mountaintop Lake #2 was last inspected on January 29, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.