Central Nyack Dam
Key Takeaway
Central Nyack Dam is classified as high hazard in New York. It was completed in 2012 and is 14 years old. Its primary use is flood risk reduction. 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 | 12 ft (taller than 23.2% in NY) |
| Dam Type | Earth |
| Normal Storage | 0 acre-ft |
| Year Completed | 2012 (14 years old) |
| NID ID | NY16258 |
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
TOWN OF CLARKSTOWN
Local Government
Nearby Dams
Lake Deforest Dam
Rockland, NY
High Hazard 40 ftCongers Lake Dam
Rockland, NY
High Hazard 8 ftIbm Edcenter Dam A
Rockland, NY
Significant Hazard 26 ftLake Tappan Dike
Bergen, NJ
Low Hazard 20 ftLake Tappan Dam
Bergen, NJ
High Hazard 34 ftSleepy Hollow Country Club Dam
Westchester, NY
Significant Hazard 15 ftHalsey Pond Dam
Westchester, NY
High Hazard 25 ftIrvington Water Works Dam
Westchester, NY
High Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Central Nyack Dam?
Central Nyack 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 Central Nyack Dam?
Central Nyack Dam is owned by TOWN OF CLARKSTOWN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Central Nyack Dam built?
Central Nyack Dam was completed in 2012, making it 14 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 Central Nyack Dam?
Central Nyack Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Central Nyack Dam?
Central Nyack Dam has a dam height of 12 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 Central Nyack Dam last inspected?
Central Nyack Dam was last inspected on June 24, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.