Upper Lounsbury Pond Dam
Upper Lounsbury Pond Dam is a masonry dam located in Westchester County, New York. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Upper Lounsbury Pond Dam
The primary purpose of Upper Lounsbury Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Westchester County Dept Of Parks & Recreation (local government). It impounds the Dickey Brook near Peekskill.
The dam stands 15 feet tall and stretches 80 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 936 square miles.
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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 01/02/2025.
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Location
| State | New York |
| County | Westchester |
| Nearest City | Peekskill |
| River/Stream | Dickey Brook |
| Coordinates | 41.27000, -73.92389 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 80 ft |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 936 sq mi |
| Max Discharge | 1,243 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | WESTCHESTER COUNTY DEPT OF PARKS & RECREATION |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/02/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY17084 |
| Federal ID | NY17084 |
| More Info | State Dam Safety Program |