Black River
Key Takeaway
Black River is classified as low hazard in New York. It was completed in 1919 and is 107 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 25 ft (taller than 69.7% in NY) |
| Dam Length | 458 ft |
| Dam Type | Concrete |
| Max Storage | 123 acre-ft |
| Normal Storage | 123 acre-ft |
| Surface Area | 25 acres |
| Drainage Area | 1,856 sq mi |
| Max Discharge | 33,000 cfs |
| Year Completed | 1919 (107 years old) |
| NID ID | NY00635 |
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
Erie Boulevard Hydropower, L.P.
Private
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Low Hazard 13 ftFrequently Asked Questions
What is the hazard classification of Black River?
Black River 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 Black River?
Black River is owned by Erie Boulevard Hydropower, L.P. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Black River built?
Black River was completed in 1919, making it 107 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 Black River?
Black River 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 Black River?
Black River 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 Black River last inspected?
Black River was last inspected on August 9, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.