Smithville Dam
Key Takeaway
Smithville Dam is classified as high hazard in New Jersey. It was completed in 1935 and is 91 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 | 60 ft |
| Dam Type | Timber Crib |
| Max Storage | 244 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 132 sq mi |
| Max Discharge | 1,062 cfs |
| Year Completed | 1935 (91 years old) |
| NID ID | NJ00043 |
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
County of Burlington
Local Government
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Significant Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Smithville Dam?
Smithville 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 Smithville Dam?
Smithville Dam is owned by County of Burlington (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Smithville Dam built?
Smithville Dam was completed in 1935, making it 91 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 Smithville Dam?
Smithville 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 Smithville Dam?
Smithville 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 Smithville Dam last inspected?
Smithville Dam was last inspected on October 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.