Jaqui Mill Dam
Key Takeaway
Jaqui Mill Dam is classified as high hazard in New Jersey. It was completed in 1920 and is 106 years old. Its primary use is flood risk reduction. 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 | 27 ft (taller than 87.9% in NJ) |
| Dam Length | 250 ft |
| Dam Type | Earth |
| Normal Storage | 18 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 7 sq mi |
| Year Completed | 1920 (106 years old) |
| NID ID | NJ00357 |
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 Morris
Local Government
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High Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Jaqui Mill Dam?
Jaqui Mill 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 Jaqui Mill Dam?
Jaqui Mill Dam is owned by County of Morris (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jaqui Mill Dam built?
Jaqui Mill Dam was completed in 1920, making it 106 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 Jaqui Mill Dam?
Jaqui Mill Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Jaqui Mill Dam?
Jaqui Mill Dam has a dam height of 27 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 Jaqui Mill Dam last inspected?
Jaqui Mill Dam was last inspected on March 31, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.