Fox Lake Dam
Key Takeaway
Fox Lake Dam is classified as high hazard in New Jersey. It was completed in 1926 and is 100 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 | 22 ft (taller than 79.5% in NJ) |
| Dam Length | 160 ft |
| Dam Type | Earth |
| Max Storage | 97 acre-ft |
| Normal Storage | 63 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 37 cfs |
| Year Completed | 1926 (100 years old) |
| NID ID | NJ00342 |
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
Borough of Rockaway
Local Government
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Significant Hazard 15 ftRockaway Townsquare Mall Dam
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Significant Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Fox Lake Dam?
Fox Lake 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 Fox Lake Dam?
Fox Lake Dam is owned by Borough of Rockaway (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fox Lake Dam built?
Fox Lake Dam was completed in 1926, making it 100 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 Fox Lake Dam?
Fox Lake 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 Fox Lake Dam?
Fox Lake Dam has a dam height of 22 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 Fox Lake Dam last inspected?
Fox Lake Dam was last inspected on October 15, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.