Whitney Ridge
Key Takeaway
Whitney Ridge is classified as high hazard in Pennsylvania. It was completed in 1899 and is 127 years old. 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 | 18 ft (taller than 37.7% in PA) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 79 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1899 (127 years old) |
| NID ID | PA00474 |
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
RONALD REPASKY
Private
Nearby Dams
Mammoth Lake
Westmoreland, PA
High Hazard 15 ftBreskin No 1
Westmoreland, PA
Low Hazard 29 ftBreskin No 2
Westmoreland, PA
High Hazard 42 ftDonegal
Westmoreland, PA
High Hazard 32 ftTownship Line
Westmoreland, PA
High Hazard 56 ftTwin Lakes No 2
Westmoreland, PA
High Hazard 34 ftLonesome Lake
Westmoreland, PA
Low Hazard 24 ftTwin Lakes No 1
Westmoreland, PA
High Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Whitney Ridge?
Whitney Ridge 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 Whitney Ridge?
Whitney Ridge is owned by RONALD REPASKY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Whitney Ridge built?
Whitney Ridge was completed in 1899, making it 127 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 Whitney Ridge?
Whitney Ridge 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 Whitney Ridge?
Whitney Ridge has a dam height of 18 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 Whitney Ridge last inspected?
Whitney Ridge was last inspected on September 23, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.