Lounsbury Pond Dam

Lounsbury Pond Dam is a masonry dam located in Westchester County, New York, built in 1919. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Lounsbury Pond Dam

The primary purpose of 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 8 acres, and has a maximum storage capacity of 40 acre-feet. Completed in 1919, 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. 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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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyWestchester
Nearest CityPeekskill
River/StreamDickey Brook
Coordinates41.26750, -73.92611

Physical Characteristics

Dam TypeMasonry
NID Height15 ft
Dam Height15 ft
Dam Length80 ft
Year Completed1919 (107 years old)

Storage & Hydraulics

NID Storage40 acre-ft
Max Storage40 acre-ft
Normal Storage30 acre-ft
Surface Area8 acres
Max Discharge120 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerWESTCHESTER COUNTY DEPT OF PARKS & RECREATION
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection01/02/2025
Emergency Action PlanYes

Identifiers

NID IDNY13524
Federal IDNY13524
More InfoState Dam Safety Program

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