South Westchester Detention Basin Dam
Key Takeaway
South Westchester Detention Basin Dam is classified as significant hazard in New York. It was completed in 1978 and is 48 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 7 ft (taller than 0.9% in NY) |
| Dam Length | 110 ft |
| Dam Type | Earth |
| Max Storage | 11 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 433 cfs |
| Year Completed | 1978 (48 years old) |
| NID ID | NY13629 |
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
ROBERT MARTIN CO., LLC
Private
Nearby Dams
Grassy Sprain Reservoir Dam
Westchester, NY
High Hazard 40 ftCrestwood Lake Dam
Westchester, NY
Significant Hazard 10 ftHillview Reservoir Dam
Westchester, NY
High Hazard 90 ftHalsey Pond Dam
Westchester, NY
High Hazard 25 ftWoodlands Lake Dam
Westchester, NY
Significant Hazard 20 ftIbm Edcenter Dam A
Rockland, NY
Significant Hazard 26 ftIrvington Water Works Dam
Westchester, NY
High Hazard 20 ftReservoir #2 Dam
Westchester, NY
Significant Hazard 25 ftFrequently Asked Questions
What is the hazard classification of South Westchester Detention Basin Dam?
South Westchester Detention Basin Dam 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 South Westchester Detention Basin Dam?
South Westchester Detention Basin Dam is owned by ROBERT MARTIN CO., LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Westchester Detention Basin Dam built?
South Westchester Detention Basin Dam was completed in 1978, making it 48 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 South Westchester Detention Basin Dam?
South Westchester Detention Basin Dam serves the following purposes: Flood Risk Reduction, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is South Westchester Detention Basin Dam?
South Westchester Detention Basin Dam has a dam height of 7 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 South Westchester Detention Basin Dam last inspected?
South Westchester Detention Basin Dam was last inspected on November 4, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.