Interlaken
Key Takeaway
Interlaken is classified as high hazard in Pennsylvania. It was completed in 1928 and is 98 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 | 10 ft (taller than 8.3% in PA) |
| Dam Length | 425 ft |
| Dam Type | Earth |
| Max Storage | 61 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1928 (98 years old) |
| NID ID | PA01037 |
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
CRAIG AND DOUGLAS PALLMAN
Private
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High Hazard 69 ftFrequently Asked Questions
What is the hazard classification of Interlaken?
Interlaken 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 Interlaken?
Interlaken is owned by CRAIG AND DOUGLAS PALLMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Interlaken built?
Interlaken was completed in 1928, making it 98 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 Interlaken?
Interlaken 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 Interlaken?
Interlaken 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 Interlaken last inspected?
Interlaken was last inspected on April 1, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.