Carter Pond Dam

Carter Pond Dam is an earth dam located in Worcester County, Massachusetts, built in 1924. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Carter Pond Dam

The primary purpose of Carter Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Carter Pond Company (private). It impounds the Silver Brook near Petersham.

The dam stands 9 feet tall and stretches 177 feet across, creates a reservoir covering 42 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1924, 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 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 10/07/2022.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyWorcester
Nearest CityPetersham
River/StreamSilver Brook
Coordinates42.43851, -72.18180

Physical Characteristics

Dam TypeEarth
NID Height9 ft
Dam Length177 ft
Year Completed1924 (102 years old)

Storage & Hydraulics

NID Storage150 acre-ft
Max Storage150 acre-ft
Normal Storage126 acre-ft
Surface Area42 acres
Drainage Area2 sq mi
Max Discharge133 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCarter Pond Company
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection10/07/2022
Emergency Action PlanYes

Identifiers

NID IDMA00653
Federal IDMA00653
More InfoState Dam Safety Program

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