Queensboro Lake Dam is a concrete dam located in Orange County, New York, built in 1924. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 180 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 Queensboro Lake Dam
The primary purpose of Queensboro Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nysoprhp - Palisades Interstate Park Commission (state). It impounds the Queensboro Brook near Fort Montgomery.
The dam stands 22 feet tall and stretches 180 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 335 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1924, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 01/26/2010. That was over 16 years ago.
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Location
| State | New York |
| County | Orange |
| Nearest City | Fort Montgomery |
| River/Stream | Queensboro Brook |
| Coordinates | 41.31000, -74.02500 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 180 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 335 acre-ft |
| Max Storage | 335 acre-ft |
| Normal Storage | 305 acre-ft |
| Surface Area | 35 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 925 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Nysoprhp - Palisades Interstate Park Commission |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/26/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY00037 |
| Federal ID | NY00037 |
| More Info | State Dam Safety Program |