Lake Williams Dam

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateMassachusetts
CountyMiddlesex
Nearest CityMarlborough
River/StreamAssabet River
Coordinates42.33633, -71.57162

Physical Characteristics

Dam TypeEarth
NID Height11 ft
Dam Length270 ft
Year Completed1882 (144 years old)

Storage & Hydraulics

NID Storage767 acre-ft
Max Storage767 acre-ft
Normal Storage576 acre-ft
Surface Area72 acres
Drainage Area0 sq mi
Max Discharge55 cfs
Spillway TypeUncontrolled

Ownership & Safety

OwnerCity of Marlborough
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection05/24/2023
Emergency Action PlanYes

Identifiers

NID IDMA00451
Federal IDMA00451
More InfoState Dam Safety Program

Nearby Dams

Millham Reservoir Dam 2.2 mi Significant Tyler Dam 2.3 mi High Bartlett Pond Dam 2.5 mi Low Barefoot Brook Dam 2.9 mi Significant Assabet River Dam 3.0 mi Significant Gates Pond Dam 3.2 mi Low Wheeler Pond Dam 3.3 mi Significant Fort Meadow Reservoir Dam 3.3 mi High Washington Street Dam 3.7 mi Significant Brewer Brook Dam 3.8 mi Significant