Lake Maspenock Dam

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyWorcester
Nearest CityMilford
River/StreamMill River, Tributary of Blackstone
Coordinates42.18180, -71.55390

Physical Characteristics

Dam TypeStone
NID Height18 ft
Dam Length800 ft
Year Completed1901 (125 years old)

Storage & Hydraulics

NID Storage2,100 acre-ft
Max Storage2,100 acre-ft
Normal Storage1,200 acre-ft
Surface Area280 acres
Drainage Area2 sq mi
Max Discharge305 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerTown of Hopkinton
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection12/02/2020
Emergency Action PlanYes

Identifiers

NID IDMA00627
Federal IDMA00627
More InfoState Dam Safety Program

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