Carpenter Reservoir Dam

CASEY BROOK· Worcester, Massachusetts· Built 1888· Concrete· 32 ft tall
Significant Hazard Water Supply Private

Key Takeaway

Carpenter Reservoir Dam is classified as significant hazard in Massachusetts. It was completed in 1888 and is 138 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 32 ft (taller than 88.6% in MA)
Dam Length260 ft
Dam TypeConcrete
Max Storage2.6K acre-ft
Normal Storage2.0K acre-ft
Surface Area82 acres
Drainage Area5 sq mi
Year Completed1888 (138 years old)
NID IDMA00893

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: December 8, 2016
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

WHITINSVILLE WATER COMPANY

Private

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Frequently Asked Questions

What is the hazard classification of Carpenter Reservoir Dam?

Carpenter Reservoir 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 Carpenter Reservoir Dam?

Carpenter Reservoir Dam is owned by WHITINSVILLE WATER COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Carpenter Reservoir Dam built?

Carpenter Reservoir Dam was completed in 1888, making it 138 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Carpenter Reservoir Dam?

Carpenter Reservoir 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 Carpenter Reservoir Dam?

Carpenter Reservoir Dam has a dam height of 32 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 Carpenter Reservoir Dam last inspected?

Carpenter Reservoir Dam was last inspected on December 8, 2016. 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.