Lake Sophia
Key Takeaway
Lake Sophia is classified as high hazard in Pennsylvania. It was completed in 1957 and is 69 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 | 30 ft (taller than 65% in PA) |
| Dam Length | 340 ft |
| Dam Type | Earth |
| Max Storage | 166 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1957 (69 years old) |
| NID ID | PA00078 |
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
STEPHEN HOLGASH
Private
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Lake Sophia?
Lake Sophia 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 Lake Sophia?
Lake Sophia is owned by STEPHEN HOLGASH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Sophia built?
Lake Sophia was completed in 1957, making it 69 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 Lake Sophia?
Lake Sophia 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 Lake Sophia?
Lake Sophia has a dam height of 30 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 Lake Sophia last inspected?
Lake Sophia was last inspected on March 24, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.