Pompton Lakes Dam
Key Takeaway
Pompton Lakes Dam is classified as high hazard in New Jersey. It was completed in 1908 and is 118 years old. Its primary use is water supply. 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 | 30 ft (taller than 90.1% in NJ) |
| Dam Length | 290 ft |
| Dam Type | Concrete |
| Normal Storage | 2.0K acre-ft |
| Surface Area | 210 acres |
| Drainage Area | 160 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1908 (118 years old) |
| NID ID | NJ00249 |
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
North Jersey District Water Supply Commission
State Government
Nearby Dams
Pines Lake Dam
Passaic, NJ
High Hazard 42 ftPompton Dam
Passaic, NJ
Low Hazard 22 ftLower Twin Lakes Dam
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Significant Hazard 10 ftLionshead Lake Dam
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High Hazard 27 ftPoint View Dam
Passaic, NJ
High Hazard 55 ftUpper Twin Lakes Dam
Passaic, NJ
Low Hazard 7 ftLake Washington Dam
Passaic, NJ
Low Hazard 11 ftMorse Lake Dam
Passaic, NJ
Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Pompton Lakes Dam?
Pompton Lakes 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 Pompton Lakes Dam?
Pompton Lakes Dam is owned by North Jersey District Water Supply Commission (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pompton Lakes Dam built?
Pompton Lakes 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 Pompton Lakes Dam?
Pompton Lakes Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Pompton Lakes Dam?
Pompton Lakes Dam has a dam height of 30 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 Pompton Lakes Dam last inspected?
Pompton Lakes Dam was last inspected on October 13, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.