Lake Ondawa
Key Takeaway
Lake Ondawa is classified as high hazard in Pennsylvania. It was completed in 1919 and is 107 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 | 50 ft |
| Dam Type | Earth |
| Max Storage | 215 acre-ft |
| Normal Storage | 153 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1919 (107 years old) |
| NID ID | PA00517 |
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
TIM LEONARD ROD & GUN CLUB
Private
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High Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Lake Ondawa?
Lake Ondawa 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 Lake Ondawa?
Lake Ondawa is owned by TIM LEONARD ROD & GUN CLUB (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Ondawa built?
Lake Ondawa was completed in 1919, making it 107 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 Lake Ondawa?
Lake Ondawa 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 Lake Ondawa?
Lake Ondawa 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 Lake Ondawa last inspected?
Lake Ondawa was last inspected on December 4, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.