Penallen
Key Takeaway
Penallen is classified as significant hazard in Pennsylvania. It was completed in 1982 and is 44 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 12 ft (taller than 16% in PA) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 16 acre-ft |
| Drainage Area | 0 sq mi |
| Year Completed | 1982 (44 years old) |
| NID ID | PA01888 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
UNITED PARCEL SERVICE
Private
Nearby Dams
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Significant Hazard 16 ftHorsham Towne Upper Pond
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High Hazard 21 ftSusquehanna Woods Lower
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High Hazard 14 ftRapp Run Flood Retarding
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High Hazard 16 ftLoch Alsh Reservoir
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High Hazard 16 ftWarrington (Pa-611)
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High Hazard 45 ftFrequently Asked Questions
What is the hazard classification of Penallen?
Penallen is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Penallen?
Penallen is owned by UNITED PARCEL SERVICE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Penallen built?
Penallen was completed in 1982, making it 44 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 Penallen?
Penallen serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Penallen?
Penallen has a dam height of 12 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 Penallen last inspected?
Penallen was last inspected on October 10, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.