Mayfield Dam
Key Takeaway
Mayfield Dam is classified as low hazard in New York. It was completed in 1930 and is 96 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 36 ft (taller than 85.3% in NY) |
| Dam Length | 370 ft |
| Dam Type | Earth |
| Max Storage | 1.8K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 134 acres |
| Drainage Area | 32 sq mi |
| Max Discharge | 6,400 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | NY00156 |
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
HUDSON RIVER-BLACK RIVER REGULATING DISTRICT
State Government
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Significant Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Mayfield Dam?
Mayfield 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 Mayfield Dam?
Mayfield Dam is owned by HUDSON RIVER-BLACK RIVER REGULATING DISTRICT (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mayfield Dam built?
Mayfield Dam 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 Mayfield Dam?
Mayfield Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mayfield Dam?
Mayfield Dam has a dam height of 36 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 Mayfield Dam last inspected?
Mayfield Dam was last inspected on April 17, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.