Rainbow Falls
Key Takeaway
Rainbow Falls is classified as significant hazard in New York. It was completed in 1926 and is 100 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 19 ft (taller than 53.6% in NY) |
| Dam Length | 435 ft |
| Dam Type | Concrete |
| Max Storage | 180 acre-ft |
| Normal Storage | 180 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 503 sq mi |
| Max Discharge | 15,000 cfs |
| Year Completed | 1926 (100 years old) |
| NID ID | NY00240 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
New York State Electric & Gas Corporation
Public Utility
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Rainbow Falls?
Rainbow Falls is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Rainbow Falls?
Rainbow Falls is owned by New York State Electric & Gas Corporation (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rainbow Falls built?
Rainbow Falls was completed in 1926, making it 100 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 Rainbow Falls?
Rainbow Falls 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 Rainbow Falls?
Rainbow Falls has a dam height of 19 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 Rainbow Falls last inspected?
Rainbow Falls was last inspected on September 7, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.