Lake Hamilton
Key Takeaway
Lake Hamilton is classified as high hazard in Pennsylvania. It was completed in 1954 and is 72 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 | 15 ft (taller than 27.6% in PA) |
| Dam Length | 370 ft |
| Dam Type | Earth |
| Max Storage | 354 acre-ft |
| Normal Storage | 86 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 4 sq mi |
| Year Completed | 1954 (72 years old) |
| NID ID | PA01030 |
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
TOMPKINS REALTY & DEVELOPMENT
Private
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High Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Lake Hamilton?
Lake Hamilton 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 Hamilton?
Lake Hamilton is owned by TOMPKINS REALTY & DEVELOPMENT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Hamilton built?
Lake Hamilton was completed in 1954, making it 72 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 Hamilton?
Lake Hamilton 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 Hamilton?
Lake Hamilton has a dam height of 15 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 Hamilton last inspected?
Lake Hamilton was last inspected on November 23, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.