Lake Tamarack Dam
Key Takeaway
Lake Tamarack Dam is classified as high hazard in New Jersey. It was completed in 1940 and is 86 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 | 10 ft (taller than 17.8% in NJ) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Normal Storage | 198 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 8 cfs |
| Year Completed | 1940 (86 years old) |
| NID ID | NJ00301 |
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 Tamarack Association
Private
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Lake Tamarack Dam?
Lake Tamarack 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 Tamarack Dam?
Lake Tamarack Dam is owned by Lake Tamarack Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Tamarack Dam built?
Lake Tamarack Dam was completed in 1940, making it 86 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 Tamarack Dam?
Lake Tamarack 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 Tamarack Dam?
Lake Tamarack Dam has a dam height of 10 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 Tamarack Dam last inspected?
Lake Tamarack Dam was last inspected on December 31, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.