Sleepy Hollow Country Club Dam is a concrete dam located in Westchester County, New York, built in 1965. It carries a Significant hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 200 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Sleepy Hollow Country Club Dam
The primary purpose of Sleepy Hollow Country Club Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Sleepy Hollow Country Club (private). It impounds the Tr-gory Brook near North Tarrytown.
The dam stands 15 feet tall and stretches 200 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 10 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1965, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 01/12/2024.
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Location
| State | New York |
| County | Westchester |
| Nearest City | North Tarrytown |
| River/Stream | Tr-gory Brook |
| Coordinates | 41.11972, -73.84889 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 200 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 10 acre-ft |
| Max Storage | 10 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 160 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Sleepy Hollow Country Club |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 01/12/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY13598 |
| Federal ID | NY13598 |
| More Info | State Dam Safety Program |