Stony Brook Dam

Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyMiddlesex
Nearest CityWestford
River/StreamStony Brook
Coordinates42.59591, -71.46619

Physical Characteristics

Dam TypeEarth
NID Height24 ft
Dam Length350 ft
Year Completed1870 (156 years old)

Storage & Hydraulics

NID Storage120 acre-ft
Max Storage120 acre-ft
Normal Storage61 acre-ft
Surface Area6 acres
Drainage Area26 sq mi
Max Discharge927 cfs

Ownership & Safety

PurposeRecreation
OwnerTown of Westford
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection10/20/2021
Emergency Action PlanYes

Identifiers

NID IDMA00132
Federal IDMA00132
More InfoState Dam Safety Program

Nearby Dams

Murray Printing Company Dam 1.5 mi Significant Westford Depot Dam 1.6 mi Significant Lost Lake Dam 2.7 mi High Brookside Mill Dam 3.0 mi Significant Nabnasset Pond Dam 3.0 mi Significant Cow Pond Brook Dam 3.3 mi Significant Fletcher Pond Dam 3.3 mi Significant Mill Pond Dam 4.5 mi Low Massapoag Pond Dam 4.5 mi Significant Long Pond Dam 4.6 mi Low