Reservoir #2 Dam is a masonry dam located in Westchester County, New York, built in 1892. It carries a Significant hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 550 ft long, taller than 50% of U.S. dams with a recorded height. 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 Reservoir #2 Dam
Reservoir #2 Dam is a dam in Westchester, New York. The dam is owned by Westchester County Dept of Parks & Recreation (local government). It impounds the Hutchinson River near New Rochelle.
The dam stands 25 feet tall and stretches 550 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 62 acre-feet. Completed in 1892, the structure is over a century 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 04/05/2022.
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Location
| State | New York |
| County | Westchester |
| Nearest City | New Rochelle |
| River/Stream | Hutchinson River |
| Coordinates | 40.93528, -73.80667 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 550 ft |
| Year Completed | 1892 (134 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Westchester County Dept of Parks & Recreation |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 04/05/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY13620 |
| Federal ID | NY13620 |
| More Info | State Dam Safety Program |