Canonsburg No 1
Key Takeaway
Canonsburg No 1 is classified as significant hazard in Pennsylvania. It was completed in 1911 and is 115 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 36 ft (taller than 73.4% in PA) |
| Dam Length | 765 ft |
| Dam Type | Earth |
| Max Storage | 515 acre-ft |
| Normal Storage | 375 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1911 (115 years old) |
| NID ID | PA00505 |
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
DAVID J. WYLIE
Private
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Significant Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Canonsburg No 1?
Canonsburg No 1 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 Canonsburg No 1?
Canonsburg No 1 is owned by DAVID J. WYLIE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Canonsburg No 1 built?
Canonsburg No 1 was completed in 1911, making it 115 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 Canonsburg No 1?
Canonsburg No 1 serves the following purposes: Recreation, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Canonsburg No 1?
Canonsburg No 1 has a dam height of 36 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 Canonsburg No 1 last inspected?
Canonsburg No 1 was last inspected on August 29, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.