Quemahoning
Key Takeaway
Quemahoning is classified as high hazard in Pennsylvania. It was completed in 1912 and is 114 years old. Its primary use is water supply. 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 | 100 ft (taller than 95.8% in PA) |
| Dam Length | 955 ft |
| Dam Type | Earth |
| Max Storage | 57.4K acre-ft |
| Normal Storage | 38.0K acre-ft |
| Surface Area | 845 acres |
| Drainage Area | 95 sq mi |
| Year Completed | 1912 (114 years old) |
| NID ID | PA00740 |
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
CAMBRIA SOMERSET AUTHORITY
Local Government
Nearby Dams
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Quemahoning?
Quemahoning 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 Quemahoning?
Quemahoning is owned by CAMBRIA SOMERSET AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Quemahoning built?
Quemahoning was completed in 1912, making it 114 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 Quemahoning?
Quemahoning serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Quemahoning?
Quemahoning has a dam height of 100 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 Quemahoning last inspected?
Quemahoning was last inspected on September 11, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.