Orrs Pond Dam

SEVEN MILE RIVER· Bristol, Massachusetts· Built 1906· Earth· 18 ft tall
Low Hazard Other Local Government

Key Takeaway

Orrs Pond Dam is classified as low hazard in Massachusetts. It was completed in 1906 and is 120 years old. Its primary use is other.

Physical Details

Dam Height 18 ft (taller than 63.9% in MA)
Dam Length125 ft
Dam TypeEarth
Max Storage250 acre-ft
Normal Storage180 acre-ft
Surface Area70 acres
Drainage Area2 sq mi
Year Completed1906 (120 years old)
NID IDMA01169

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: January 5, 2015
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

CITY OF ATTLEBORO, PUBLIC WORKS, HIGHWAY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Orrs Pond Dam?

Orrs Pond Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Orrs Pond Dam?

Orrs Pond Dam is owned by CITY OF ATTLEBORO, PUBLIC WORKS, HIGHWAY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Orrs Pond Dam built?

Orrs Pond Dam was completed in 1906, making it 120 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 Orrs Pond Dam?

Orrs Pond Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Orrs Pond Dam?

Orrs Pond Dam has a dam height of 18 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 Orrs Pond Dam last inspected?

Orrs Pond Dam was last inspected on January 5, 2015. 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.