Middleport Reservoir Dam
Key Takeaway
Middleport Reservoir Dam is classified as low hazard in New York. It was completed in 1931 and is 95 years old. Its primary use is water supply.
Physical Details
| Dam Height | 21 ft (taller than 61.3% in NY) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 70 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 1,680 cfs |
| Year Completed | 1931 (95 years old) |
| NID ID | NY00480 |
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
VILLAGE OF MIDDLEPORT
Local Government
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Significant Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Middleport Reservoir Dam?
Middleport Reservoir 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 Middleport Reservoir Dam?
Middleport Reservoir Dam is owned by VILLAGE OF MIDDLEPORT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Middleport Reservoir Dam built?
Middleport Reservoir Dam was completed in 1931, making it 95 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 Middleport Reservoir Dam?
Middleport Reservoir 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 Middleport Reservoir Dam?
Middleport Reservoir Dam has a dam height of 21 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 Middleport Reservoir Dam last inspected?
Middleport Reservoir Dam was last inspected on May 21, 2008. Inspection dates indicate when a formal review occurred, not the results of that inspection.