Highland Lake Dam
Key Takeaway
Highland Lake Dam is classified as high hazard in New York. It was completed in 1920 and is 106 years old. Its primary use is water supply. 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 | 30 ft (taller than 78.3% in NY) |
| Dam Length | 516 ft |
| Dam Type | Earth |
| Max Storage | 2.1K acre-ft |
| Normal Storage | 2.0K acre-ft |
| Surface Area | 98 acres |
| Year Completed | 1920 (106 years old) |
| NID ID | NY01131 |
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
CITY OF MIDDLETOWN
Local Government
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Highland Lake Dam?
Highland 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 Highland Lake Dam?
Highland Lake Dam is owned by CITY OF MIDDLETOWN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Highland Lake Dam built?
Highland Lake Dam was completed in 1920, making it 106 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 Highland Lake Dam?
Highland Lake Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Highland Lake Dam?
Highland Lake Dam has a dam height of 30 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 Highland Lake Dam last inspected?
Highland Lake Dam was last inspected on December 2, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.