Rapp Run Flood Retarding
Key Takeaway
Rapp Run Flood Retarding is classified as high hazard in Pennsylvania. It was completed in 2014 and is 12 years old. Its primary use is flood risk reduction. 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 | 16 ft (taller than 32.5% in PA) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 175 acre-ft |
| Drainage Area | 2 sq mi |
| Year Completed | 2014 (12 years old) |
| NID ID | PA01941 |
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
UPPER DUBLIN TOWNSHIP
Local Government
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High Hazard 45 ftFrequently Asked Questions
What is the hazard classification of Rapp Run Flood Retarding?
Rapp Run Flood Retarding 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 Rapp Run Flood Retarding?
Rapp Run Flood Retarding is owned by UPPER DUBLIN TOWNSHIP (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rapp Run Flood Retarding built?
Rapp Run Flood Retarding was completed in 2014, making it 12 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 Rapp Run Flood Retarding?
Rapp Run Flood Retarding 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 Rapp Run Flood Retarding?
Rapp Run Flood Retarding has a dam height of 16 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 Rapp Run Flood Retarding last inspected?
Rapp Run Flood Retarding was last inspected on December 24, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.