Whitin Reservoir Dam

MUMFORD RIVER· Worcester, Massachusetts· Built 1854· Masonry· 33 ft tall
High Hazard Recreation Local Government

Key Takeaway

Whitin Reservoir Dam is classified as high hazard in Massachusetts. It was completed in 1854 and is 172 years old. Its primary use is recreation. 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 33 ft (taller than 89.5% in MA)
Dam Length500 ft
Dam TypeMasonry
Max Storage4.5K acre-ft
Normal Storage3.2K acre-ft
Surface Area335 acres
Drainage Area9 sq mi
Year Completed1854 (172 years old)
NID IDMA00200

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: June 7, 2017
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

WHITIN RESERVOIR WATERSHED DISTRICT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Whitin Reservoir Dam?

Whitin Reservoir 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 Whitin Reservoir Dam?

Whitin Reservoir Dam is owned by WHITIN RESERVOIR WATERSHED DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Whitin Reservoir Dam built?

Whitin Reservoir Dam was completed in 1854, making it 172 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 Whitin Reservoir Dam?

Whitin Reservoir 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 Whitin Reservoir Dam?

Whitin Reservoir Dam has a dam height of 33 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 Whitin Reservoir Dam last inspected?

Whitin Reservoir Dam was last inspected on June 7, 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.