Greenleaf Dike
Key Takeaway
Greenleaf Dike is classified as high hazard in New York. It was completed in 1925 and is 101 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 | 32 ft (taller than 81.5% in NY) |
| Dam Length | 333 ft |
| Dam Type | Earth |
| Max Storage | 1.6K acre-ft |
| Normal Storage | 1.3K acre-ft |
| Surface Area | 101 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1925 (101 years old) |
| NID ID | NY00508 |
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 17 ftFrequently Asked Questions
What is the hazard classification of Greenleaf Dike?
Greenleaf Dike 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 Greenleaf Dike?
Greenleaf Dike is owned by CITY OF MIDDLETOWN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Greenleaf Dike built?
Greenleaf Dike 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 Greenleaf Dike?
Greenleaf Dike 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 Greenleaf Dike?
Greenleaf Dike has a dam height of 32 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 Greenleaf Dike last inspected?
Greenleaf Dike was last inspected on December 2, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.