Thomas W Koon
Key Takeaway
Thomas W Koon is classified as high hazard in Pennsylvania. It was completed in 1932 and is 94 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 | 92 ft (taller than 95.1% in PA) |
| Dam Length | 726 ft |
| Dam Type | Gravity |
| Max Storage | 12.4K acre-ft |
| Normal Storage | 6.8K acre-ft |
| Surface Area | 227 acres |
| Drainage Area | 44 sq mi |
| Year Completed | 1932 (94 years old) |
| NID ID | PA00240 |
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 CUMBERLAND MARYLAND
Local Government
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High Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Thomas W Koon?
Thomas W Koon 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 Thomas W Koon?
Thomas W Koon is owned by CITY OF CUMBERLAND MARYLAND (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thomas W Koon built?
Thomas W Koon was completed in 1932, making it 94 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 Thomas W Koon?
Thomas W Koon 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 Thomas W Koon?
Thomas W Koon has a dam height of 92 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 Thomas W Koon last inspected?
Thomas W Koon was last inspected on October 28, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.