Mallory Dam
Key Takeaway
Mallory Dam is classified as significant hazard in New York. It was completed in 1909 and is 117 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 6 ft (taller than 0.3% in NY) |
| Dam Length | 352 ft |
| Dam Type | Concrete |
| Max Storage | 18 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 9 acres |
| Year Completed | 1909 (117 years old) |
| NID ID | NY14294 |
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
John Cronk, HAWK CABLE & PIPE
Private
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Significant Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Mallory Dam?
Mallory 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 Mallory Dam?
Mallory Dam is owned by John Cronk, HAWK CABLE & PIPE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mallory Dam built?
Mallory Dam was completed in 1909, making it 117 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 Mallory Dam?
Mallory 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 Mallory Dam?
Mallory Dam has a dam height of 6 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 Mallory Dam last inspected?
Mallory Dam was last inspected on May 19, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.