Duffy Mill Pond Dam

KETTLE BROOK· Worcester, Massachusetts· Concrete· 17 ft tall
Significant Hazard Private

Key Takeaway

Duffy Mill Pond Dam is classified as significant hazard in Massachusetts. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 17 ft (taller than 60.3% in MA)
Dam Length128 ft
Dam TypeConcrete
Max Storage6 acre-ft
Normal Storage5 acre-ft
Surface Area3 acres
Drainage Area9 sq mi
NID IDMA01661

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: No
Last Inspection: May 1, 2017
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

KETTLE BROOK LOFTS, LLC

Private

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Lynde Brook Reservoir Dam

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Lynde Brook Reservoir Dike

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Brick City Mill Pond Dam

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Patch Pond Dam

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Coes Reservoir Dam

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Lower Stoneville Pond Dam

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Waite Pond Dam

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Significant Hazard 11 ft

Frequently Asked Questions

What is the hazard classification of Duffy Mill Pond Dam?

Duffy Mill Pond 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 Duffy Mill Pond Dam?

Duffy Mill Pond Dam is owned by KETTLE BROOK LOFTS, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Duffy Mill Pond Dam?

Duffy Mill Pond Dam has a dam height of 17 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 Duffy Mill Pond Dam last inspected?

Duffy Mill Pond Dam was last inspected on May 1, 2017. 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.