Damondale Dam

ASSABET RIVER· Middlesex, Massachusetts· Concrete· 10 ft tall
Significant Hazard Recreation Private

Key Takeaway

Damondale Dam is classified as significant hazard in Massachusetts. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 10 ft (taller than 18% in MA)
Dam Length450 ft
Dam TypeConcrete
Max Storage400 acre-ft
Normal Storage150 acre-ft
Surface Area75 acres
Drainage Area118 sq mi
NID IDMA02944

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: September 13, 2017
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

DAMONMILL SQUARE CONDOMINIUM ASSOCIATION

Private

Nearby Dams

Musquetaquid Pond Dam (Upper)

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Warners Pond Dam

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Allen Dam

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Low Hazard 15 ft

Assabet

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Barretts Mill Road Dam

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Erikson Dam

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Millpond Dam

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Significant Hazard 20 ft

Estabrook Farm Pond Dam

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Low Hazard 22 ft

Frequently Asked Questions

What is the hazard classification of Damondale Dam?

Damondale 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 Damondale Dam?

Damondale Dam is owned by DAMONMILL SQUARE CONDOMINIUM ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Damondale Dam?

Damondale Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Damondale Dam?

Damondale 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 Damondale Dam last inspected?

Damondale Dam was last inspected on September 13, 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.