Stony Brook Pond Dam

NEMASKET RIVER TRIBUTARY· Plymouth, Massachusetts· Built 2010· Earth· 10 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Stony Brook Pond Dam is classified as significant hazard in Massachusetts. It was completed in 2010 and is 16 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 Length140 ft
Dam TypeEarth
Max Storage90 acre-ft
Normal Storage64 acre-ft
Surface Area14 acres
Drainage Area1 sq mi
Year Completed2010 (16 years old)
NID IDMA03390

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 4, 2017
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

TOWN OF MIDDLEBOROUGH, BOARD OF SELECTMEN

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Stony Brook Pond Dam?

Stony Brook 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 Stony Brook Pond Dam?

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

When was Stony Brook Pond Dam built?

Stony Brook Pond Dam was completed in 2010, making it 16 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 Stony Brook Pond Dam?

Stony Brook 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 Stony Brook Pond Dam?

Stony Brook Pond 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 Stony Brook Pond Dam last inspected?

Stony Brook Pond Dam was last inspected on May 4, 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.