Alcyon Lake Dam
Key Takeaway
Alcyon Lake Dam is classified as significant hazard in New Jersey. It was completed in 1943 and is 83 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 12 ft (taller than 31.2% in NJ) |
| Dam Length | 480 ft |
| Dam Type | Earth |
| Max Storage | 150 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 632 cfs |
| Year Completed | 1943 (83 years old) |
| NID ID | NJ00427 |
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
Borough of Pitman
Local Government
Nearby Dams
Wadsworth Lake Dam
Gloucester, NJ
High Hazard 20 ftBethel Lake Dam
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Significant Hazard 16 ftLake Oberst Dam
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Significant Hazard 9 ftKandle Lake Dam
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Significant Hazard 9 ftBankbridge Dam
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Low Hazard 21 ftLake Hackney Dam
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Significant Hazard 11 ftEwans Mill Dam
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Significant Hazard 15 ftLake Gilman Dam
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High Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Alcyon Lake Dam?
Alcyon 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 Alcyon Lake Dam?
Alcyon Lake Dam is owned by Borough of Pitman (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Alcyon Lake Dam built?
Alcyon Lake Dam was completed in 1943, making it 83 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 Alcyon Lake Dam?
Alcyon 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 Alcyon Lake Dam?
Alcyon Lake Dam has a dam height of 12 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 Alcyon Lake Dam last inspected?
Alcyon Lake Dam was last inspected on March 16, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.