Lens Lake Dam

Lens Lake Dam is an earth dam located in Warren County, New York, built in 1959. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Lens Lake Dam

Lens Lake Dam is a dam in Warren, New York. The dam is owned by Nys Dec Division Of Lands & Forests;nys Dec Division Of Lands & Forests (state). It impounds the Tr-stony Creek near Stony Creek.

The dam stands 12 feet tall and stretches 165 feet across, creates a reservoir covering 120 acres, has a maximum storage capacity of 576 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1959, the structure is well into its service life at over 50 years 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 08/26/2021.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyWarren
Nearest CityStony Creek
River/StreamTr-stony Creek
Coordinates43.39889, -74.01083

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Height12 ft
Dam Length165 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage576 acre-ft
Max Storage576 acre-ft
Normal Storage384 acre-ft
Surface Area120 acres
Drainage Area2 sq mi
Max Discharge805 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerNYS DEC DIVISION OF LANDS & FORESTS;NYS DEC DIVISION OF LANDS & FORESTS
Owner TypeState
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection08/26/2021
Emergency Action PlanYes

Identifiers

NID IDNY00733
Federal IDNY00733
More InfoState Dam Safety Program

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