Alloway Lake Dam
Key Takeaway
Alloway Lake Dam is classified as significant hazard in New Jersey. It was completed in 1949 and is 77 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 72.4% in NJ) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Normal Storage | 490 acre-ft |
| Surface Area | 108 acres |
| Drainage Area | 22 sq mi |
| Max Discharge | 3,040 cfs |
| Year Completed | 1949 (77 years old) |
| NID ID | NJ00038 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Township of Alloway
Local Government
Nearby Dams
Elkinton Pond Dam
Salem, NJ
High Hazard 20 ftLake Sycamore Dam
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Low Hazard 13 ftCoxhat Pond Dam
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Low Hazard 9 ftThundergut Pond Dam
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Low Hazard 13 ftQuinton Pond Dam
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Significant Hazard 9 ftCobbs Mill Dam
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Significant Hazard 10 ftWoodmere Dam
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Low Hazard 13 ftRoosevelt Camp Dam
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Significant Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Alloway Lake Dam?
Alloway Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Alloway Lake Dam?
Alloway Lake Dam is owned by Township of Alloway (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Alloway Lake Dam built?
Alloway Lake Dam was completed in 1949, making it 77 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 Alloway Lake Dam?
Alloway 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 Alloway Lake Dam?
Alloway Lake Dam has a dam height of 20 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 Alloway Lake Dam last inspected?
Alloway Lake Dam was last inspected on May 4, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.