Middle Pond Dam #3

THOMPSON BROOK· Bristol, Massachusetts· Built 1969· Earth· 11 ft tall
Significant Hazard Fish And Wildlife Pond Recreation State Government

Key Takeaway

Middle Pond Dam #3 is classified as significant hazard in Massachusetts. It was completed in 1969 and is 57 years old. Its primary use is fish and wildlife pond. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 11 ft (taller than 25.5% in MA)
Dam Length365 ft
Dam TypeEarth
Max Storage380 acre-ft
Normal Storage180 acre-ft
Surface Area285 acres
Drainage Area2 sq mi
Year Completed1969 (57 years old)
NID IDMA03089

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: February 17, 2018
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

DCR - DEPT. OF CONSERVATION & RECREATION

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Middle Pond Dam #3?

Middle Pond Dam #3 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 Middle Pond Dam #3?

Middle Pond Dam #3 is owned by DCR - DEPT. OF CONSERVATION & RECREATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Middle Pond Dam #3 built?

Middle Pond Dam #3 was completed in 1969, making it 57 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 Middle Pond Dam #3?

Middle Pond Dam #3 serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Middle Pond Dam #3?

Middle Pond Dam #3 has a dam height of 11 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 Middle Pond Dam #3 last inspected?

Middle Pond Dam #3 was last inspected on February 17, 2018. 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.