Sodom Dam
Key Takeaway
Sodom Dam is classified as high hazard in New York. It was completed in 1892 and is 134 years old. Its primary use is water supply. 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 | 78 ft (taller than 97% in NY) |
| Dam Length | 1,600 ft |
| Dam Type | Masonry |
| Max Storage | 19.0K acre-ft |
| Normal Storage | 16.1K acre-ft |
| Surface Area | 491 acres |
| Drainage Area | 80 sq mi |
| Max Discharge | 38,000 cfs |
| Year Completed | 1892 (134 years old) |
| NID ID | NY00031 |
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
NYCDEP DAMS EAST OF THE HUDSON RIVER
Local Government
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Significant Hazard 14 ftFrequently Asked Questions
What is the hazard classification of Sodom Dam?
Sodom 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 Sodom Dam?
Sodom Dam is owned by NYCDEP DAMS EAST OF THE HUDSON RIVER (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sodom Dam built?
Sodom Dam was completed in 1892, making it 134 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 Sodom Dam?
Sodom Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Sodom Dam?
Sodom Dam has a dam height of 78 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 Sodom Dam last inspected?
Sodom Dam was last inspected on March 12, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.