Lake Wampanoag Dam

WHITMAN RIVER· Worcester, Massachusetts· Earth· 22 ft tall

High Hazard Water Supply Private

Key Takeaway

Lake Wampanoag Dam is classified as high hazard in Massachusetts. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height	22 ft (taller than 73.7% in MA)
Dam Length	660 ft
Dam Type	Earth
Max Storage	3.8K acre-ft
Normal Storage	1.4K acre-ft

Surface Area	218 acres
Drainage Area	4 sq mi
NID ID	MA00010

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes

Last Inspection: April 25, 2017

State Regulated: Yes

Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

WHITMAN RIVER DAM, INC.

Private

Nearby Dams

Hobbys Pond Dam

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Significant Hazard 7 ft

Whitney Pond Dam

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Significant Hazard 18 ft

Cowee Pond Dam

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High Hazard 15 ft

Dunn Pond Dam

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Significant Hazard 13 ft

Upper Naukeag Lake Dam

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Westminster Reservoir Dam

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High Hazard 31 ft

Lower Naukeag Lake Dam

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High Hazard 12 ft

Perley Brook Reservoir Dam

Worcester, MA

High Hazard 50 ft

Frequently Asked Questions

What is the hazard classification of Lake Wampanoag Dam?

Lake Wampanoag Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lake Wampanoag Dam?

Lake Wampanoag Dam is owned by WHITMAN RIVER DAM, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Lake Wampanoag Dam?

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

How tall is Lake Wampanoag Dam?

Lake Wampanoag Dam has a dam height of 22 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 Lake Wampanoag Dam last inspected?

Lake Wampanoag Dam was last inspected on April 25, 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.