Sixth Lake Dam
Key Takeaway
Sixth Lake Dam is classified as high hazard in New York. It was completed in 1920 and is 106 years old. Its primary use is recreation. 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 | 16 ft (taller than 42.9% in NY) |
| Dam Length | 335 ft |
| Dam Type | Earth |
| Max Storage | 10.5K acre-ft |
| Normal Storage | 6.7K acre-ft |
| Surface Area | 732 acres |
| Drainage Area | 17 sq mi |
| Max Discharge | 1,440 cfs |
| Year Completed | 1920 (106 years old) |
| NID ID | NY00318 |
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
HUDSON RIVER-BLACK RIVER REGULATING DISTRICT
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Sixth Lake Dam?
Sixth 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 Sixth Lake Dam?
Sixth Lake Dam is owned by HUDSON RIVER-BLACK RIVER REGULATING DISTRICT (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sixth Lake Dam built?
Sixth Lake Dam was completed in 1920, making it 106 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 Sixth Lake Dam?
Sixth Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sixth Lake Dam?
Sixth Lake Dam 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 Sixth Lake Dam last inspected?
Sixth Lake Dam was last inspected on November 2, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.