Plymouth

Martin Stream· Penobscot, Maine· Built 1920· Concrete· 11 ft tall
Low Hazard Other Recreation Local Government

Key Takeaway

Plymouth is classified as low hazard in Maine. It was completed in 1920 and is 106 years old. Its primary use is other.

Physical Details

Dam Height 11 ft (taller than 27.3% in ME)
Dam Length325 ft
Dam TypeConcrete
Max Storage2.0K acre-ft
Normal Storage1.7K acre-ft
Surface Area480 acres
Drainage Area0 sq mi
Year Completed1920 (106 years old)
Year Modified1990
NID IDME00116

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
State Regulated: Yes
Regulatory Agency: MEMA

Ownership

Plymouth

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Plymouth?

Plymouth 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 Plymouth?

Plymouth is owned by Plymouth (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Plymouth built?

Plymouth was completed in 1920, making it 106 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 Plymouth?

Plymouth serves the following purposes: Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Plymouth?

Plymouth has a dam height of 11 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.

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.