New Jersey No Name #31 Dam
Key Takeaway
New Jersey No Name #31 Dam is classified as high hazard in New Jersey. Its primary use is other. 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 | 23 ft (taller than 82.2% in NJ) |
| Dam Length | 550 ft |
| Dam Type | Earth |
| Normal Storage | 40 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 2 sq mi |
| NID ID | NJ00519 |
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
New Jersey Water Supply Authority
State Government
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Significant Hazard 24 ftFrequently Asked Questions
What is the hazard classification of New Jersey No Name #31 Dam?
New Jersey No Name #31 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 New Jersey No Name #31 Dam?
New Jersey No Name #31 Dam is owned by New Jersey Water Supply Authority (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of New Jersey No Name #31 Dam?
New Jersey No Name #31 Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is New Jersey No Name #31 Dam?
New Jersey No Name #31 Dam has a dam height of 23 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 New Jersey No Name #31 Dam last inspected?
New Jersey No Name #31 Dam was last inspected on October 22, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.