Conway Electric Dam

Conway Electric Dam is an earth dam located in Franklin County, Massachusetts, built in 1898. It carries a Low hazard potential classification and has a poor condition assessment.

About Conway Electric Dam

The primary purpose of Conway Electric Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ma Department Of Conservation & Recreation (state). It impounds the South River near Conway.

The dam stands 77 feet tall and stretches 265 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 26 square miles. Completed in 1898, the structure is over a century old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 11/17/2020.

At 77 feet, this dam is taller than 97% of all dams in the United States.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateMassachusetts
CountyFranklin
Nearest CityConway
River/StreamSouth River
Coordinates42.53871, -72.66715

Physical Characteristics

Dam TypeEarth
NID Height77 ft
Dam Length265 ft
Year Completed1898 (128 years old)

Storage & Hydraulics

NID Storage120 acre-ft
Max Storage120 acre-ft
Normal Storage5 acre-ft
Surface Area1 acres
Drainage Area26 sq mi
Max Discharge6,763 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerMA Department of Conservation & Recreation
Owner TypeState
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection11/17/2020
Emergency Action PlanNot Required

Identifiers

NID IDMA00463
Federal IDMA00463
More InfoState Dam Safety Program

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