Glenwood Lake Dam
Key Takeaway
Glenwood Lake Dam is classified as high hazard in New York. It was completed in 1903 and is 123 years old. Its primary use is hydroelectric. 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 | 31 ft (taller than 80.7% in NY) |
| Dam Length | 1,900 ft |
| Dam Type | Earth |
| Max Storage | 2.3K acre-ft |
| Normal Storage | 1.8K acre-ft |
| Surface Area | 80 acres |
| Drainage Area | 150 sq mi |
| Max Discharge | 3,480 cfs |
| Year Completed | 1903 (123 years old) |
| NID ID | NY00717 |
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
Erie Boulevard Hydropower, LP/Brookfield Renewable
Private
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Low Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Glenwood Lake Dam?
Glenwood Lake 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 Glenwood Lake Dam?
Glenwood Lake Dam is owned by Erie Boulevard Hydropower, LP/Brookfield Renewable (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Glenwood Lake Dam built?
Glenwood Lake Dam was completed in 1903, making it 123 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 Glenwood Lake Dam?
Glenwood Lake 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 Glenwood Lake Dam?
Glenwood Lake Dam has a dam height of 31 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 Glenwood Lake Dam last inspected?
Glenwood Lake Dam was last inspected on April 30, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.