Greystone Falls Dam

Greystone Falls Dam is a concrete dam located in Litchfield County, Connecticut. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Greystone Falls Dam

The primary purpose of Greystone Falls Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Greystone Station Llc (private). It impounds the Hancock Brook.

The dam stands 20 feet tall and stretches 130 feet across, creates a reservoir covering 1 acres, and collects water from a drainage area of 12 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. The most recent inspection on record was 09/29/2021.

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Significant HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateConnecticut
CountyLitchfield
River/StreamHancock Brook
Coordinates41.61542, -73.03621

Physical Characteristics

Dam TypeConcrete
NID Height20 ft
Dam Height20 ft
Dam Length130 ft

Storage & Hydraulics

Surface Area1 acres
Drainage Area12 sq mi

Ownership & Safety

PurposeRecreation
OwnerGreystone Station LLC
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection09/29/2021
Emergency Action PlanNo

Identifiers

NID IDCT01210
Federal IDCT01210
More InfoState Dam Safety Program

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