Larchmont Water Company Dam #2
Key Takeaway
Larchmont Water Company Dam #2 is classified as high hazard in New York. It was completed in 1935 and is 91 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 | 31 ft (taller than 80.7% in NY) |
| Dam Length | 1,000 ft |
| Dam Type | Masonry |
| Max Storage | 500 acre-ft |
| Normal Storage | 424 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 987 cfs |
| Year Completed | 1935 (91 years old) |
| NID ID | NY00112 |
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
VILLAGE OF LARCHMONT
Local Government
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Significant Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Larchmont Water Company Dam #2?
Larchmont Water Company Dam #2 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 Larchmont Water Company Dam #2?
Larchmont Water Company Dam #2 is owned by VILLAGE OF LARCHMONT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Larchmont Water Company Dam #2 built?
Larchmont Water Company Dam #2 was completed in 1935, making it 91 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 Water Company Dam #2?
Larchmont Water Company Dam #2 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 Larchmont Water Company Dam #2?
Larchmont Water Company Dam #2 has a dam height of 31 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 Water Company Dam #2 last inspected?
Larchmont Water Company Dam #2 was last inspected on November 9, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.