Indian Brook Dam

INDIAN BROOK· Plymouth, Massachusetts· Built 1930· Earth· 13 ft tall
High Hazard Irrigation State Government

Key Takeaway

Indian Brook Dam is classified as high hazard in Massachusetts. It was completed in 1930 and is 96 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 13 ft (taller than 39.5% in MA)
Dam Length200 ft
Dam TypeEarth
Max Storage100 acre-ft
Normal Storage15 acre-ft
Surface Area8 acres
Drainage Area6 sq mi
Year Completed1930 (96 years old)
NID IDMA01032

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: August 30, 2016
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

DOT - DEPT. OF TRANSPORTATION

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Indian Brook Dam?

Indian Brook Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Indian Brook Dam?

Indian Brook Dam is owned by DOT - DEPT. OF TRANSPORTATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Indian Brook Dam built?

Indian Brook Dam was completed in 1930, making it 96 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 Indian Brook Dam?

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

How tall is Indian Brook Dam?

Indian Brook Dam has a dam height of 13 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 Indian Brook Dam last inspected?

Indian Brook Dam was last inspected on August 30, 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.