James Pond Dam

FLAG BROOK· Worcester, Massachusetts· Built 1851· Concrete· 16 ft tall
Significant Hazard Recreation Private

Key Takeaway

James Pond Dam is classified as significant hazard in Massachusetts. It was completed in 1851 and is 175 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 16 ft (taller than 56.3% in MA)
Dam Length215 ft
Dam TypeConcrete
Max Storage62 acre-ft
Normal Storage40 acre-ft
Surface Area6 acres
Drainage Area12 sq mi
Year Completed1851 (175 years old)
NID IDMA00884

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: November 18, 2016
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

NO. 1 MILL WAREHOUSE, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of James Pond Dam?

James Pond 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 James Pond Dam?

James Pond Dam is owned by NO. 1 MILL WAREHOUSE, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was James Pond Dam built?

James Pond Dam was completed in 1851, making it 175 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 James Pond Dam?

James Pond 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 James Pond Dam?

James Pond Dam has a dam height of 16 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 James Pond Dam last inspected?

James Pond Dam was last inspected on November 18, 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.