Lighthouse Hill
Key Takeaway
Lighthouse Hill is classified as high hazard in New York. It was completed in 1930 and is 96 years old. Its primary use is hydroelectric. 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 | 47 ft (taller than 91.2% in NY) |
| Dam Length | 851 ft |
| Dam Type | Concrete |
| Max Storage | 3.9K acre-ft |
| Normal Storage | 3.2K acre-ft |
| Surface Area | 170 acres |
| Drainage Area | 198 sq mi |
| Max Discharge | 25,300 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | NY00367 |
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
Not Listed
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What is the hazard classification of Lighthouse Hill?
Lighthouse Hill 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 Lighthouse Hill?
Lighthouse Hill is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lighthouse Hill built?
Lighthouse Hill was completed in 1930, making it 96 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 Lighthouse Hill?
Lighthouse Hill serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lighthouse Hill?
Lighthouse Hill has a dam height of 47 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 Lighthouse Hill last inspected?
Lighthouse Hill was last inspected on August 30, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.