Mill Pond Dam
Key Takeaway
Mill Pond Dam is classified as high hazard in New Jersey. It was completed in 1908 and is 118 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 | 21 ft (taller than 78.3% in NJ) |
| Dam Length | 588 ft |
| Dam Type | Earth |
| Normal Storage | 22 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 14 sq mi |
| Max Discharge | 5,490 cfs |
| Year Completed | 1908 (118 years old) |
| NID ID | NJ00245 |
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
Park Ridge Borough
Local Government
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Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Mill Pond Dam?
Mill Pond 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 Mill Pond Dam?
Mill Pond Dam is owned by Park Ridge Borough (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mill Pond Dam built?
Mill Pond Dam was completed in 1908, making it 118 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 Mill Pond Dam?
Mill Pond 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 Mill Pond Dam?
Mill Pond Dam has a dam height of 21 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 Mill Pond Dam last inspected?
Mill Pond Dam was last inspected on April 23, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.