Lake Susquehanna
Key Takeaway
Lake Susquehanna is classified as high hazard in Pennsylvania. It was completed in 1973 and is 53 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 | 51 ft (taller than 84.8% in PA) |
| Dam Length | 1,800 ft |
| Dam Type | Earth |
| Max Storage | 895 acre-ft |
| Normal Storage | 614 acre-ft |
| Surface Area | 44 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1973 (53 years old) |
| NID ID | PA00818 |
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
EAGLE ROCK COMMUNITY ASSOCIATION
Private
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Significant Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Lake Susquehanna?
Lake Susquehanna 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 Susquehanna?
Lake Susquehanna is owned by EAGLE ROCK COMMUNITY ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Susquehanna built?
Lake Susquehanna was completed in 1973, making it 53 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 Susquehanna?
Lake Susquehanna 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 Susquehanna?
Lake Susquehanna has a dam height of 51 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 Susquehanna last inspected?
Lake Susquehanna was last inspected on November 10, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.