Mountain Lake Dam
Key Takeaway
Mountain Lake Dam is classified as high hazard in New Jersey. 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 | 15 ft (taller than 51.4% in NJ) |
| Dam Length | 100 ft |
| Dam Type | Earth |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 760 acre-ft |
| Surface Area | 76 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 79 cfs |
| NID ID | NJ00284 |
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
Mountain Lakes Borough
Local Government
Nearby Dams
Sunset Lake Dam
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High Hazard 8 ftCrystal Lake Dam
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High Hazard 16 ftBirchwood Lake Dam
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High Hazard 20 ftDecozen'S Dam
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Significant Hazard 11 ftWildwood Lake Dam
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High Hazard 13 ftRainbow Lakes Dam
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High Hazard 11 ftManor Lake Dam
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Significant Hazard 5 ftWildwood Dike
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Mountain Lake Dam?
Mountain Lake 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 Mountain Lake Dam?
Mountain Lake Dam is owned by Mountain Lakes Borough (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Mountain Lake Dam?
Mountain Lake 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 Mountain Lake Dam?
Mountain Lake Dam has a dam height of 15 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 Mountain Lake Dam last inspected?
Mountain Lake Dam was last inspected on December 11, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.