Mother Brook Diversion At Charles River

Mother Brook Diversion At Charles River is an earth dam located in Norfolk County, Massachusetts, built in 1959. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Mother Brook Diversion At Charles River

The primary purpose of Mother Brook Diversion At Charles River is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Ma Department Of Conservation & Recreation (state). It impounds the Mother Brook near Dedham.

The dam stands 16 feet tall and stretches 280 feet across, and collects water from a drainage area of 198 square miles. Completed in 1959, the structure is well into its service life at over 50 years 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 06/03/2020.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyNorfolk
Nearest CityDedham
River/StreamMother Brook
Coordinates42.25489, -71.17160

Physical Characteristics

Dam TypeEarth
NID Height16 ft
Dam Length280 ft
Year Completed1959 (67 years old)

Ownership & Safety

PurposeFlood Risk Reduction
OwnerMA Department of Conservation & Recreation
Owner TypeState
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection06/03/2020
Emergency Action PlanYes

Identifiers

NID IDMA03108
Federal IDMA03108
More InfoState Dam Safety Program

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