High Dam
Key Takeaway
High Dam is classified as high hazard in New York. It was completed in 1928 and is 98 years old. Its primary use is hydroelectric. 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 | 35 ft (taller than 83.6% in NY) |
| Dam Length | 900 ft |
| Dam Type | Gravity |
| Max Storage | 3.9K acre-ft |
| Normal Storage | 3.9K acre-ft |
| Surface Area | 240 acres |
| Drainage Area | 5,097 sq mi |
| Max Discharge | 32,500 cfs |
| Year Completed | 1928 (98 years old) |
| NID ID | NY00401 |
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
New York State Canal Corporation
State Government
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Significant Hazard 15 ftFrequently Asked Questions
What is the hazard classification of High Dam?
High 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 High Dam?
High Dam is owned by New York State Canal Corporation (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was High Dam built?
High Dam was completed in 1928, making it 98 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 High Dam?
High Dam serves the following purposes: Hydroelectric, Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is High Dam?
High Dam has a dam height of 35 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 High Dam last inspected?
High Dam was last inspected on August 9, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.