Wolf Den Dam
Key Takeaway
Wolf Den Dam is classified as high hazard in New Jersey. It was completed in 1927 and is 99 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 | 42 ft (taller than 95.6% in NJ) |
| Dam Length | 2,160 ft |
| Dam Type | Concrete |
| Normal Storage | 81.7K acre-ft |
| Surface Area | 2,310 acres |
| Drainage Area | 90 sq mi |
| Year Completed | 1927 (99 years old) |
| NID ID | NJ00215 |
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
North Jersey District Water Supply Commission
State Government
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What is the hazard classification of Wolf Den Dam?
Wolf Den 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 Wolf Den Dam?
Wolf Den Dam is owned by North Jersey District Water Supply Commission (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wolf Den Dam built?
Wolf Den Dam was completed in 1927, making it 99 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 Wolf Den Dam?
Wolf Den 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 Wolf Den Dam?
Wolf Den Dam has a dam height of 42 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 Wolf Den Dam last inspected?
Wolf Den Dam was last inspected on October 6, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.