Glens Falls
Key Takeaway
Glens Falls is classified as significant hazard in New York. It was completed in 1916 and is 110 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 42.9% in NY) |
| Dam Length | 510 ft |
| Dam Type | Concrete |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 1.1K acre-ft |
| Surface Area | 167 acres |
| Drainage Area | 2,807 sq mi |
| Max Discharge | 70,000 cfs |
| Year Completed | 1916 (110 years old) |
| NID ID | NY00140 |
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
Niagara Mohawk Power Corp. & FH OPCO, LLC
Private
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Low Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Glens Falls?
Glens 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 Glens Falls?
Glens Falls is owned by Niagara Mohawk Power Corp. & FH OPCO, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Glens Falls built?
Glens Falls was completed in 1916, making it 110 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 Glens Falls?
Glens 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 Glens Falls?
Glens Falls has a dam height of 16 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 Glens Falls last inspected?
Glens Falls was last inspected on July 27, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.