Factory Pond Dam

JAR BROOK/BOGASTOW BROOK· Middlesex, Massachusetts· Built 1873· Concrete· 13 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Factory Pond Dam is classified as significant hazard in Massachusetts. It was completed in 1873 and is 153 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 13 ft (taller than 39.5% in MA)
Dam Length135 ft
Dam TypeConcrete
Max Storage50 acre-ft
Normal Storage18 acre-ft
Surface Area10 acres
Drainage Area6 sq mi
Year Completed1873 (153 years old)
NID IDMA02952

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: October 13, 2017
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

TOWN OF HOLLISTON, BOARD OF SELECTMEN

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Factory Pond Dam?

Factory 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 Factory Pond Dam?

Factory Pond Dam is owned by TOWN OF HOLLISTON, BOARD OF SELECTMEN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Factory Pond Dam built?

Factory Pond Dam was completed in 1873, making it 153 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 Factory Pond Dam?

Factory 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 Factory Pond Dam?

Factory Pond Dam has a dam height of 13 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 Factory Pond Dam last inspected?

Factory Pond Dam was last inspected on October 13, 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.