Great Gorge Dam
Key Takeaway
Great Gorge Dam is classified as high hazard in New Jersey. It was completed in 1971 and is 55 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 | 28 ft (taller than 88.4% in NJ) |
| Dam Length | 160 ft |
| Dam Type | Earth |
| Max Storage | 290 acre-ft |
| Normal Storage | 280 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 25 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | NJ00661 |
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 Creek Resort
Private
Nearby Dams
Wildwood Lake Dam
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Low Hazard 7 ftStewart Dam
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Significant Hazard 14 ftStump Pond Dam
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High Hazard 25 ftPleasant Valley Lake Dam
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High Hazard 31 ftLake Conway Dam
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Significant Hazard 21 ftMountain Creek Lake Dam
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High Hazard 12 ftSilver Lake Dam
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Low Hazard 11 ftDiversion Dam
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High Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Great Gorge Dam?
Great Gorge 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 Great Gorge Dam?
Great Gorge Dam is owned by Mountain Creek Resort (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Great Gorge Dam built?
Great Gorge Dam was completed in 1971, making it 55 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 Great Gorge Dam?
Great Gorge 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 Great Gorge Dam?
Great Gorge Dam has a dam height of 28 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 Great Gorge Dam last inspected?
Great Gorge Dam was last inspected on April 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.