Cobbs Hill Reservoir Dam
Key Takeaway
Cobbs Hill Reservoir Dam is classified as high hazard in New York. It was completed in 1908 and is 118 years old. Its primary use is water supply. 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 | 3,560 ft |
| Dam Type | Other |
| Max Storage | 535 acre-ft |
| Normal Storage | 442 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 330 cfs |
| Year Completed | 1908 (118 years old) |
| NID ID | NY01448 |
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 ROCHESTER
Local Government
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What is the hazard classification of Cobbs Hill Reservoir Dam?
Cobbs Hill Reservoir 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 Cobbs Hill Reservoir Dam?
Cobbs Hill Reservoir Dam is owned by CITY OF ROCHESTER (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cobbs Hill Reservoir Dam built?
Cobbs Hill Reservoir Dam was completed in 1908, making it 118 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 Cobbs Hill Reservoir Dam?
Cobbs Hill 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 Cobbs Hill Reservoir Dam?
Cobbs Hill Reservoir 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 Cobbs Hill Reservoir Dam last inspected?
Cobbs Hill Reservoir Dam was last inspected on May 9, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.