Mount Airy
Key Takeaway
Mount Airy 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 | 42 ft (taller than 78.8% in PA) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 284 acre-ft |
| Normal Storage | 187 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1974 (52 years old) |
| NID ID | PA00811 |
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
MT. AIRY CASINO RESORT
Private
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Mount Airy?
Mount Airy 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 Mount Airy?
Mount Airy is owned by MT. AIRY CASINO RESORT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mount Airy built?
Mount Airy 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 Mount Airy?
Mount Airy 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 Mount Airy?
Mount Airy has a dam height of 42 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 Mount Airy last inspected?
Mount Airy was last inspected on January 6, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.