Green Hills Lake
Key Takeaway
Green Hills Lake is classified as high hazard in Pennsylvania. It was completed in 1930 and is 96 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 | 18 ft (taller than 37.7% in PA) |
| Dam Length | 525 ft |
| Dam Type | Earth |
| Max Storage | 252 acre-ft |
| Normal Storage | 104 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 15 sq mi |
| Year Completed | 1930 (96 years old) |
| NID ID | PA00714 |
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
GREEN HILLS LAKE ASSOCIATION
Private
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Significant Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Green Hills Lake?
Green Hills Lake 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 Green Hills Lake?
Green Hills Lake is owned by GREEN HILLS LAKE ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Green Hills Lake built?
Green Hills Lake was completed in 1930, making it 96 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 Green Hills Lake?
Green Hills Lake 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 Green Hills Lake?
Green Hills Lake has a dam height of 18 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 Green Hills Lake last inspected?
Green Hills Lake was last inspected on November 11, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.