Mahar Regional School Dam

GULF BROOK· Franklin, Massachusetts· Built 1956· Earth· 10 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Mahar Regional School Dam is classified as significant hazard in Massachusetts. It was completed in 1956 and is 70 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 Length360 ft
Dam TypeEarth
Max Storage15 acre-ft
Normal Storage8 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Year Completed1956 (70 years old)
NID IDMA01759

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: July 15, 2016
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

RALPH C. MAHAR REGIONAL SCHOOL DISTRICT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mahar Regional School Dam?

Mahar Regional School 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 Mahar Regional School Dam?

Mahar Regional School Dam is owned by RALPH C. MAHAR REGIONAL SCHOOL DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mahar Regional School Dam built?

Mahar Regional School Dam was completed in 1956, making it 70 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 Mahar Regional School Dam?

Mahar Regional School 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 Mahar Regional School Dam?

Mahar Regional School 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 Mahar Regional School Dam last inspected?

Mahar Regional School Dam was last inspected on July 15, 2016. 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.