Alexander Lake Dam
Key Takeaway
Alexander Lake Dam is classified as high hazard in New York. It was completed in 1965 and is 61 years old. 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 | 12 ft (taller than 23.2% in NY) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 158 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,037 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | NY00936 |
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
NEWARK VALLEY CENTRAL SCHOOL DISTRICT
Private
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Significant Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Alexander Lake Dam?
Alexander 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 Alexander Lake Dam?
Alexander Lake Dam is owned by NEWARK VALLEY CENTRAL SCHOOL DISTRICT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Alexander Lake Dam built?
Alexander Lake Dam was completed in 1965, making it 61 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 Alexander Lake Dam?
Alexander 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 Alexander Lake Dam?
Alexander 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 Alexander Lake Dam last inspected?
Alexander Lake Dam was last inspected on August 31, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.