Sunset Lake Dam

COCASSET RIVER· Norfolk, Massachusetts· Earth· 10 ft tall

Significant Hazard Fish And Wildlife Pond Recreation State Government

Key Takeaway

Sunset Lake Dam is classified as significant hazard in Massachusetts. Its primary use is fish and wildlife pond. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height	10 ft (taller than 18% in MA)
Dam Length	275 ft
Dam Type	Earth
Max Storage	98 acre-ft
Normal Storage	60 acre-ft

Surface Area	12 acres
Drainage Area	0 sq mi
NID ID	MA03113

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes

Last Inspection: February 17, 2018

State Regulated: Yes

Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

DCR - DEPT. OF CONSERVATION & RECREATION

State Government

Nearby Dams

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Carpenter Pond Dam

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Foundry Lake Dam

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West Street Dam

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Neponset Reservoir Dam

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Crackrock Pond Dam

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Crocker Pond Dam

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Mirimichi Pond Spillway

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Frequently Asked Questions

What is the hazard classification of Sunset Lake Dam?

Sunset Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Sunset Lake Dam?

Sunset Lake Dam is owned by DCR - DEPT. OF CONSERVATION & RECREATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Sunset Lake Dam?

Sunset Lake Dam serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Sunset Lake Dam?

Sunset Lake Dam has a dam height of 10 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Sunset Lake Dam last inspected?

Sunset Lake Dam was last inspected on February 17, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.