Sudbury Reservoir Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyWorcester
Nearest CitySouthborough
River/StreamStony Brook
Coordinates42.30783, -71.49231

Physical Characteristics

Dam TypeEarth
NID Height77 ft
Dam Length2,000 ft
Year Completed1899 (127 years old)

Storage & Hydraulics

NID Storage33,020 acre-ft
Max Storage33,020 acre-ft
Normal Storage22,260 acre-ft
Surface Area1,280 acres
Drainage Area22 sq mi
Max Discharge23,200 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerMA Department of Conservation & Recreation
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection11/01/2022
Emergency Action PlanYes

Identifiers

NID IDMA00741
Federal IDMA00741
More InfoState Dam Safety Program

Nearby Dams

Constance M. Fiske Flood Retarding Dam 1.5 mi High Framingham Reservoir No. 3 Dam 1.9 mi High Framingham Reservoir No. 1 Dam 2.8 mi High Framingham Reservoir No. 2 Dam 3.0 mi High Hager Pond Dam 3.0 mi High Sudbury River Dam 3.2 mi Low Mill Pond Dam 3.3 mi High Hopkinton State Park Swimming Pool Dam 3.5 mi High Mount Wayte Outlet Works 3.5 mi Low Grist Mill Pond Dam 3.5 mi Low