Bull Run
Key Takeaway
Bull Run is classified as high hazard in Pennsylvania. It was completed in 1934 and is 92 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 | 44 ft (taller than 80.7% in PA) |
| Dam Length | 520 ft |
| Dam Type | Earth |
| Max Storage | 383 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1934 (92 years old) |
| NID ID | PA00463 |
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
CITY OF JEANNETTE
Local Government
Nearby Dams
Berlin Road Detention Basin
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High Hazard 11 ftJeannette (Mountain Valley Lake)
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Significant Hazard 36 ftLake Ridge Estates Detention
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Significant Hazard 17 ftLaspina Lane
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Low Hazard 21 ftThorn Run
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Low Hazard 22 ftEidemiller Lake
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High Hazard 22 ftRidilla Upper Pond A
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Significant Hazard 15 ftTownship Line
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High Hazard 56 ftFrequently Asked Questions
What is the hazard classification of Bull Run?
Bull Run 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 Bull Run?
Bull Run is owned by CITY OF JEANNETTE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Bull Run built?
Bull Run was completed in 1934, making it 92 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 Bull Run?
Bull Run 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 Bull Run?
Bull Run has a dam height of 44 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 Bull Run last inspected?
Bull Run was last inspected on September 20, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.