Haledon Reservoir Dam
Key Takeaway
Haledon Reservoir Dam is classified as high hazard in New Jersey. It was completed in 1919 and is 107 years old. 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 | 25 ft (taller than 85% in NJ) |
| Dam Length | 625 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 775 acre-ft |
| Surface Area | 75 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 750 cfs |
| Year Completed | 1919 (107 years old) |
| NID ID | NJ00021 |
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
Borough of Franklin Lakes
Local Government
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What is the hazard classification of Haledon Reservoir Dam?
Haledon Reservoir 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 Haledon Reservoir Dam?
Haledon Reservoir Dam is owned by Borough of Franklin Lakes (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Haledon Reservoir Dam built?
Haledon Reservoir Dam was completed in 1919, making it 107 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 Haledon Reservoir Dam?
Haledon Reservoir 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 Haledon Reservoir Dam?
Haledon Reservoir Dam has a dam height of 25 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 Haledon Reservoir Dam last inspected?
Haledon Reservoir Dam was last inspected on May 20, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.