Ironstone Reservoir Dam

BACON BROOK· Worcester, Massachusetts· Built 1928· Gravity· 10 ft tall
Significant Hazard Recreation Private

Key Takeaway

Ironstone Reservoir Dam is classified as significant hazard in Massachusetts. It was completed in 1928 and is 98 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 10 ft (taller than 18% in MA)
Dam Length250 ft
Dam TypeGravity
Max Storage180 acre-ft
Normal Storage110 acre-ft
Surface Area44 acres
Drainage Area3 sq mi
Year Completed1928 (98 years old)
NID IDMA02919

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: May 1, 2017
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

FLAGG REALTY, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ironstone Reservoir Dam?

Ironstone 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 Ironstone Reservoir Dam?

Ironstone Reservoir Dam is owned by FLAGG REALTY, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ironstone Reservoir Dam built?

Ironstone Reservoir Dam was completed in 1928, making it 98 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 Ironstone Reservoir Dam?

Ironstone 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 Ironstone Reservoir Dam?

Ironstone Reservoir Dam has a dam height of 10 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 Ironstone Reservoir Dam last inspected?

Ironstone Reservoir Dam was last inspected on May 1, 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.