Timber Lake Dam
Key Takeaway
Timber Lake Dam is classified as high hazard in New Jersey. It was completed in 1955 and is 71 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 | 19 ft (taller than 70% in NJ) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Normal Storage | 90 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 900 cfs |
| Year Completed | 1955 (71 years old) |
| NID ID | NJ00416 |
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
Birchwood Lake Colony Club
Private
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What is the hazard classification of Timber Lake Dam?
Timber 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 Timber Lake Dam?
Timber Lake Dam is owned by Birchwood Lake Colony Club (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Timber Lake Dam built?
Timber Lake Dam was completed in 1955, making it 71 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 Timber Lake Dam?
Timber 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 Timber Lake Dam?
Timber Lake Dam has a dam height of 19 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 Timber Lake Dam last inspected?
Timber Lake Dam was last inspected on May 8, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.