Delta Dam
Key Takeaway
Delta Dam is classified as high hazard in New York. It was completed in 1912 and is 114 years old. Its primary use is navigation. 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 | 106 ft (taller than 98.7% in NY) |
| Dam Length | 1,000 ft |
| Dam Type | Concrete |
| Max Storage | 87.5K acre-ft |
| Normal Storage | 55.3K acre-ft |
| Surface Area | 2,482 acres |
| Drainage Area | 148 sq mi |
| Max Discharge | 21,600 cfs |
| Year Completed | 1912 (114 years old) |
| NID ID | NY00006 |
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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High Hazard 50 ftFrequently Asked Questions
What is the hazard classification of Delta Dam?
Delta 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 Delta Dam?
Delta 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 Delta Dam built?
Delta Dam was completed in 1912, making it 114 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 Delta Dam?
Delta Dam serves the following purposes: Navigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Delta Dam?
Delta Dam has a dam height of 106 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 Delta Dam last inspected?
Delta Dam was last inspected on August 16, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.