Lake Winona Dam
Key Takeaway
Lake Winona Dam is classified as high hazard in New Jersey. It was completed in 1950 and is 76 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 | 15 ft (taller than 51.4% in NJ) |
| Dam Length | 620 ft |
| Dam Type | Earth |
| Normal Storage | 26 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 600 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | NJ00887 |
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
Lake Winona Civic Association
Private
Nearby Dams
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Lake Winona Dam?
Lake Winona Dam 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 Winona Dam?
Lake Winona Dam is owned by Lake Winona Civic Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Winona Dam built?
Lake Winona Dam was completed in 1950, making it 76 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 Winona Dam?
Lake Winona Dam 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 Winona Dam?
Lake Winona Dam has a dam height of 15 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 Winona Dam last inspected?
Lake Winona Dam was last inspected on June 9, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.