Larchmont Dam
Key Takeaway
Larchmont Dam is classified as significant hazard in New York. It was completed in 1925 and is 101 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 10 ft (taller than 12.4% in NY) |
| Dam Length | 210 ft |
| Dam Type | Masonry |
| Max Storage | 37 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 5 acres |
| Year Completed | 1925 (101 years old) |
| NID ID | NY13625 |
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
VILLAGE OF LARCHMONT
Local Government
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High Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Larchmont Dam?
Larchmont 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 Larchmont Dam?
Larchmont Dam is owned by VILLAGE OF LARCHMONT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Larchmont Dam built?
Larchmont Dam was completed in 1925, making it 101 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 Larchmont Dam?
Larchmont Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Larchmont Dam?
Larchmont Dam has a dam height of 10 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 Larchmont Dam last inspected?
Larchmont Dam was last inspected on November 9, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.