Neponset River Dam - Hyde Park

Significant HazardPoor ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyNorfolk
Nearest CityMilton
River/StreamNeponset River
Coordinates42.26099, -71.11044

Physical Characteristics

Dam TypeConcrete
NID Height22 ft
Dam Length170 ft

Storage & Hydraulics

NID Storage200 acre-ft
Max Storage200 acre-ft
Normal Storage100 acre-ft
Drainage Area98 sq mi
Max Discharge23,570 cfs
Spillway TypeControlled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerMA Department of Conservation & Recreation
Owner TypeState
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection03/18/2021
Emergency Action PlanYes

Identifiers

NID IDMA01094
Federal IDMA01094
More InfoState Dam Safety Program

Nearby Dams

Westinghouse Dam 1.5 mi Significant Pine Tree Brook Pl-566 Flood Control Dam 2.1 mi Significant Neponset River Dam - Lower Mills 2.2 mi Significant Centennial Dam 2.3 mi High Colburn Street Dam 2.4 mi Significant Mother Brook Diversion At Charles River 3.2 mi Significant Blue Hills Reservoir Dam 3.7 mi High Weld Pond Dam 4.6 mi High Brookline Reservoir Dam 4.8 mi High Ponkapoag Pond Dam 4.9 mi Significant