Upper West Deer Lake
Key Takeaway
Upper West Deer Lake is classified as high hazard in Pennsylvania. 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 | 24 ft (taller than 52.7% in PA) |
| Dam Length | 230 ft |
| Dam Type | Earth |
| Max Storage | 45 acre-ft |
| Normal Storage | 27 acre-ft |
| Drainage Area | 0 sq mi |
| NID ID | PA01705 |
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
ALLEGHENY COUNTY DEPARTMENT OF PUBLIC WORKS
Local Government
Nearby Dams
Middle West Deer
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High Hazard 16 ftLower West Deer Lake
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Low Hazard 153 ftGreisinger
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Low Hazard 19 ftFawn Mine #91 Refuse Impoundment
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High Hazard 120 ftHarmar Refuse Bank
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Significant HazardFrequently Asked Questions
What is the hazard classification of Upper West Deer Lake?
Upper West Deer Lake 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 Upper West Deer Lake?
Upper West Deer Lake is owned by ALLEGHENY COUNTY DEPARTMENT OF PUBLIC WORKS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Upper West Deer Lake?
Upper West Deer Lake 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 Upper West Deer Lake?
Upper West Deer Lake has a dam height of 24 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 Upper West Deer Lake last inspected?
Upper West Deer Lake was last inspected on October 26, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.