Mill Street Dam
Key Takeaway
Mill Street Dam is classified as high hazard in New York. It was completed in 1800 and is 226 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 | 25 ft (taller than 69.7% in NY) |
| Dam Length | 280 ft |
| Dam Type | Concrete |
| Max Storage | 137 acre-ft |
| Normal Storage | 137 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 203 sq mi |
| Max Discharge | 1,200 cfs |
| Year Completed | 1800 (226 years old) |
| NID ID | NY00775 |
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
City of Auburn, NY
Local Government
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What is the hazard classification of Mill Street Dam?
Mill Street 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 Mill Street Dam?
Mill Street Dam is owned by City of Auburn, NY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mill Street Dam built?
Mill Street Dam was completed in 1800, making it 226 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 Mill Street Dam?
Mill Street Dam serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mill Street Dam?
Mill Street Dam has a dam height of 25 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 Mill Street Dam last inspected?
Mill Street Dam was last inspected on September 13, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.