Massapoag Pond Dam

SALMON BROOK· Middlesex, Massachusetts· Earth· 14 ft tall
Significant Hazard Recreation Private

Key Takeaway

Massapoag Pond Dam is classified as significant hazard in Massachusetts. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 14 ft (taller than 45.2% in MA)
Dam Length160 ft
Dam TypeEarth
Max Storage730 acre-ft
Normal Storage366 acre-ft
Surface Area126 acres
Drainage Area14 sq mi
NID IDMA00136

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: December 5, 2014
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

LAKE MASSAPOAG ROD AND GUN CLUB, INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Massapoag Pond Dam?

Massapoag 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 Massapoag Pond Dam?

Massapoag Pond Dam is owned by LAKE MASSAPOAG ROD AND GUN CLUB, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Massapoag Pond Dam?

Massapoag 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 Massapoag Pond Dam?

Massapoag Pond Dam has a dam height of 14 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 Massapoag Pond Dam last inspected?

Massapoag Pond Dam was last inspected on December 5, 2014. 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.