Griswold Pond #2 Dam

Griswold Pond #2 Dam is a masonry dam located in Middlesex County, Connecticut. It carries a Significant hazard potential classification and has a poor condition assessment.

About Griswold Pond #2 Dam

The primary purpose of Griswold Pond #2 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Henkind-rottner (private). It impounds the Pattaconk Brook near Chester Village.

The dam stands 10 feet tall and stretches 70 feet across, creates a reservoir covering 1 acres, and collects water from a drainage area of 8 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/24/2024.

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Significant HazardPoor ConditionEmergency Action Plan: No

Location

StateConnecticut
CountyMiddlesex
Nearest CityChester Village
River/StreamPattaconk Brook
Coordinates41.40272, -72.45108

Physical Characteristics

Dam TypeMasonry
NID Height10 ft
Dam Height10 ft
Dam Length70 ft

Storage & Hydraulics

Surface Area1 acres
Drainage Area8 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerHenkind-Rottner
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection09/24/2024
Emergency Action PlanNo

Identifiers

NID IDCT00776
Federal IDCT00776
More InfoState Dam Safety Program

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