Assawompset Pond Dam

NEMASKET RIVER· Plymouth, Massachusetts· Built 1894· Gravity· 8 ft tall
Low Hazard Water Supply Local Government

Key Takeaway

Assawompset Pond Dam is classified as low hazard in Massachusetts. It was completed in 1894 and is 132 years old. Its primary use is water supply.

Physical Details

Dam Height 8 ft (taller than 6.7% in MA)
Dam Length2,800 ft
Dam TypeGravity
Max Storage62.0K acre-ft
Normal Storage56.0K acre-ft
Surface Area9 acres
Drainage Area38 sq mi
Year Completed1894 (132 years old)
NID IDMA03154

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: October 7, 2011
State Regulated: Yes
Regulatory Agency: DEPARTMENT OF CONSERVATION AND RECREATION

Ownership

CITY OF TAUNTON, WATER TREATMENT PLANT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Assawompset Pond Dam?

Assawompset Pond Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Assawompset Pond Dam?

Assawompset Pond Dam is owned by CITY OF TAUNTON, WATER TREATMENT PLANT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Assawompset Pond Dam built?

Assawompset Pond Dam was completed in 1894, making it 132 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 Assawompset Pond Dam?

Assawompset 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 Assawompset Pond Dam?

Assawompset Pond Dam has a dam height of 8 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 Assawompset Pond Dam last inspected?

Assawompset Pond Dam was last inspected on October 7, 2011. 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.