Great Stream Commons Upper
Key Takeaway
Great Stream Commons Upper is classified as significant hazard in Pennsylvania. It was completed in 2001 and is 25 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 | 17 ft (taller than 35.6% in PA) |
| Dam Length | 100 ft |
| Dam Type | Earth |
| Max Storage | 11 acre-ft |
| Normal Storage | 3 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 2001 (25 years old) |
| NID ID | PA01698 |
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
UNION COUNTY ECONOMIC DEVELOPMENT CORPORATION
Local Government
Nearby Dams
Great Stream Commons Lower
Union, PA
Low Hazard 24 ftSgl #252 Road A
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Low Hazard 9 ftFrank E Heller
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High Hazard 73 ftSpruce Run Reservoir
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High Hazard 46 ftAnthony J. Cimini
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Low Hazard 15 ftMosquito Creek
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High Hazard 15 ftJohn C Youngman
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High Hazard 101 ftFrequently Asked Questions
What is the hazard classification of Great Stream Commons Upper?
Great Stream Commons Upper 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 Great Stream Commons Upper?
Great Stream Commons Upper is owned by UNION COUNTY ECONOMIC DEVELOPMENT CORPORATION (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Great Stream Commons Upper built?
Great Stream Commons Upper was completed in 2001, making it 25 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 Great Stream Commons Upper?
Great Stream Commons Upper 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 Great Stream Commons Upper?
Great Stream Commons Upper has a dam height of 17 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 Great Stream Commons Upper last inspected?
Great Stream Commons Upper was last inspected on May 24, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.