Stony Brook Reservoir Dam

Middlesex County, Massachusetts (near Waltham)

River/Stream: Stony Brook

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
32 ft
Dam Length
820 ft
Reservoir Storage
1,810 acre-ft
Year Completed
1887
Primary Purpose
Water Supply
Owner Type
Local Government
Max Discharge
2,050 cfs

Condition Assessment

SatisfactoryLast inspected: 2022-11-02

Hazard Classification: High — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Satisfactory — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
MA00293
State
Massachusetts (MA)
Coordinates
42.35530, -71.26484
Age
139 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.