Truesdale Lake Dam

Truesdale Lake Dam is an earth dam located in Westchester County, New York, built in 1925. It carries a Low hazard potential classification.

About Truesdale Lake Dam

The primary purpose of Truesdale Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Lewisboro;truesdale Lake Association (private). It impounds the Tr-waccabuc River near Boutonville.

The dam stands 14 feet tall and stretches 200 feet across, creates a reservoir covering 83 acres, and has a maximum storage capacity of 720 acre-feet. Completed in 1925, 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 06/19/2009. That was over 16 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNew York
CountyWestchester
Nearest CityBoutonville
River/StreamTr-waccabuc River
Coordinates41.28722, -73.55750

Physical Characteristics

Dam TypeEarth
NID Height14 ft
Dam Height14 ft
Dam Length200 ft
Year Completed1925 (101 years old)

Storage & Hydraulics

NID Storage720 acre-ft
Max Storage720 acre-ft
Normal Storage400 acre-ft
Surface Area83 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerTOWN OF LEWISBORO;TRUESDALE LAKE ASSOCIATION
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection06/19/2009
Emergency Action PlanNot Required

Identifiers

NID IDNY14813
Federal IDNY14813
More InfoState Dam Safety Program

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