Millham Reservoir Dam

Significant HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateMassachusetts
CountyMiddlesex
Nearest CityMarlborough
River/StreamMilham Brook & North Branch Milham Brook
Coordinates42.34550, -71.61210

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Length1,160 ft
Year Completed1893 (133 years old)

Storage & Hydraulics

NID Storage960 acre-ft
Max Storage960 acre-ft
Normal Storage560 acre-ft
Surface Area68 acres
Drainage Area4 sq mi
Max Discharge800 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCity of Marlborough
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection08/14/2020
Emergency Action PlanNo

Identifiers

NID IDMA00450
Federal IDMA00450
More InfoState Dam Safety Program

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