Crystal Lake Dam

Crystal Lake Dam is an earth dam located in Litchfield County, Connecticut, built in 1878. It carries a Significant hazard potential classification and has a fair condition assessment.

About Crystal Lake Dam

The primary purpose of Crystal Lake Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Torrington Water Company (public utility). It impounds the Nickel Mine Brook near West Torrington.

The dam stands 36 feet tall and stretches 230 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 63 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1878, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 06/16/2023.

At 36 feet, this dam is taller than 83% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateConnecticut
CountyLitchfield
Nearest CityWest Torrington
River/StreamNickel Mine Brook
Coordinates41.82029, -73.15095

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length230 ft
Year Completed1878 (148 years old)

Storage & Hydraulics

NID Storage63 acre-ft
Max Storage63 acre-ft
Normal Storage30 acre-ft
Surface Area5 acres
Drainage Area4 sq mi
Max Discharge1,935 cfs

Ownership & Safety

PurposeWater Supply
OwnerTorrington Water Company
Owner TypePublic Utility
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection06/16/2023
Emergency Action PlanYes

Identifiers

NID IDCT00097
Federal IDCT00097
More InfoState Dam Safety Program

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