Upper Westborough Reservoir Dam

Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyWorcester
Nearest CityWestborough
River/StreamPiccadilly Brook
Coordinates42.24315, -71.60348

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Length300 ft
Year Completed1887 (139 years old)

Storage & Hydraulics

NID Storage840 acre-ft
Max Storage840 acre-ft
Normal Storage785 acre-ft
Surface Area60 acres
Drainage Area1 sq mi
Max Discharge160 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerTown of Westborough
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection12/19/2023
Emergency Action PlanYes

Identifiers

NID IDMA00940
Federal IDMA00940
More InfoState Dam Safety Program

Nearby Dams

Lower Sandra Pond Dam 0.1 mi Significant Whitehall Reservoir Dam 2.0 mi Significant Whitehall Reservoir Distribution Dam 2.0 mi Significant Whitehall Upper Pond Dam 2.1 mi Significant George H. Nichols Multipurpose Dam 2.3 mi High Smith Pond Dam 4.4 mi Low Silver Lake Dam 4.5 mi Significant Hopkinton Reservoir Dam 4.8 mi High Old Grist Mill Pond Dam 4.8 mi Significant Hop Brook Dam 4.8 mi High