Lac Marie Dam

SEVEN MILE RIVER· Worcester, Massachusetts· Earth· 13 ft tall
Significant Hazard Recreation Private

Key Takeaway

Lac Marie 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 13 ft (taller than 39.5% in MA)
Dam Length120 ft
Dam TypeEarth
Max Storage43 acre-ft
Normal Storage15 acre-ft
Surface Area4 acres
Drainage Area6 sq mi
NID IDMA01997

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: April 19, 2017
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

CISTERCIAN ABBEY OF SPENCER, INC.

Private

Nearby Dams

Buck Hill Conservation Dam

Worcester, MA

Significant Hazard 14 ft

Browning Pond Dam

Worcester, MA

Significant Hazard 8 ft

Thompson Pond Dam

Worcester, MA

Significant Hazard 25 ft

Sugden Reservoir Dam

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High Hazard 34 ft

Brooks Pond Dam

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Low Hazard 16 ft

Kittredge Dam

Worcester, MA

Significant Hazard 27 ft

Lake Whittemore Dam

Worcester, MA

High Hazard 18 ft

Horse Pond Dam

Worcester, MA

Significant Hazard 38 ft

Frequently Asked Questions

What is the hazard classification of Lac Marie Dam?

Lac Marie 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 Lac Marie Dam?

Lac Marie Dam is owned by CISTERCIAN ABBEY OF SPENCER, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Lac Marie Dam?

Lac Marie 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 Lac Marie Dam?

Lac Marie Dam has a dam height of 13 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 Lac Marie Dam last inspected?

Lac Marie Dam was last inspected on April 19, 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.