Mayham Pond Dam
Key Takeaway
Mayham Pond Dam is classified as low hazard in New York. It was completed in 1813 and is 213 years old. Its primary use is recreation.
Physical Details
| Dam Height | 11 ft (taller than 19.5% in NY) |
| Dam Length | 109 ft |
| Dam Type | Stone |
| Max Storage | 224 acre-ft |
| Normal Storage | 144 acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 4 sq mi |
| Year Completed | 1813 (213 years old) |
| NID ID | NY01416 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
PINE ISLAND FARM PROPERTY HOMEOWNERS ASSOCIATION
Private
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High Hazard 183 ftFrequently Asked Questions
What is the hazard classification of Mayham Pond Dam?
Mayham Pond Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mayham Pond Dam?
Mayham Pond Dam is owned by PINE ISLAND FARM PROPERTY HOMEOWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mayham Pond Dam built?
Mayham Pond Dam was completed in 1813, making it 213 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 Mayham Pond Dam?
Mayham Pond Dam 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 Mayham Pond Dam?
Mayham Pond Dam has a dam height of 11 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 Mayham Pond Dam last inspected?
Mayham Pond Dam was last inspected on July 16, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.