Strangmans Pond Dam

TRIBUTARY OF ANNISQUAM RIVER· Essex, Massachusetts· Built 1884· Earth· 10 ft tall
High Hazard Water Supply Private

Key Takeaway

Strangmans Pond Dam is classified as high hazard in Massachusetts. It was completed in 1884 and is 142 years old. Its primary use is water supply. 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 10 ft (taller than 18% in MA)
Dam Length100 ft
Dam TypeEarth
Max Storage920 acre-ft
Normal Storage170 acre-ft
Surface Area97 acres
Drainage Area4 sq mi
Year Completed1884 (142 years old)
NID IDMA03169

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: No
Last Inspection: December 16, 2019
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

CAPE ANN SPORTSMAN CLUB

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Strangmans Pond Dam?

Strangmans Pond 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 Strangmans Pond Dam?

Strangmans Pond Dam is owned by CAPE ANN SPORTSMAN CLUB (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Strangmans Pond Dam built?

Strangmans Pond Dam was completed in 1884, making it 142 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 Strangmans Pond Dam?

Strangmans Pond Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Strangmans Pond Dam?

Strangmans 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 Strangmans Pond Dam last inspected?

Strangmans Pond Dam was last inspected on December 16, 2019. 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.