Diamond Island Diversion Dam
Key Takeaway
Diamond Island Diversion Dam is classified as low hazard in New York. It was completed in 1914 and is 112 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 13 ft (taller than 29.9% in NY) |
| Dam Length | 710 ft |
| Dam Type | Concrete |
| Normal Storage | 134 acre-ft |
| Surface Area | 31 acres |
| Drainage Area | 1,889 sq mi |
| Max Discharge | 52,000 cfs |
| Year Completed | 1914 (112 years old) |
| NID ID | NY01534 |
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
NIAGARA MOHAWK POWER CORPORATION
Public Utility
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Diamond Island Diversion Dam?
Diamond Island Diversion 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 Diamond Island Diversion Dam?
Diamond Island Diversion Dam is owned by NIAGARA MOHAWK POWER CORPORATION (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Diamond Island Diversion Dam built?
Diamond Island Diversion Dam was completed in 1914, making it 112 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 Diamond Island Diversion Dam?
Diamond Island Diversion 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 Diamond Island Diversion Dam?
Diamond Island Diversion Dam has a dam height of 13 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 Diamond Island Diversion Dam last inspected?
Diamond Island Diversion Dam was last inspected on July 31, 1998. Inspection dates indicate when a formal review occurred, not the results of that inspection.