Longford Lake
Key Takeaway
Longford Lake is classified as high hazard in Pennsylvania. It was completed in 1974 and is 52 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 | 37 ft (taller than 74.4% in PA) |
| Dam Length | 878 ft |
| Dam Type | Earth |
| Max Storage | 355 acre-ft |
| Normal Storage | 159 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1974 (52 years old) |
| NID ID | PA00898 |
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
LONGFORD LAKE ASSOCIATION, INC.
Private
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Significant Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Longford Lake?
Longford 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 Longford Lake?
Longford Lake is owned by LONGFORD LAKE ASSOCIATION, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Longford Lake built?
Longford Lake was completed in 1974, making it 52 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 Longford Lake?
Longford 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 Longford Lake?
Longford Lake has a dam height of 37 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 Longford Lake last inspected?
Longford Lake was last inspected on November 6, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.