Seabright

Megunticook· Knox, Maine· Built 1900· Concrete· 23 ft tall

Key Takeaway

Seabright is classified as high hazard in Maine. It was completed in 1900 and is 126 years old. Its primary use is hydroelectric. 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 23 ft (taller than 81.1% in ME)
Dam Length372 ft
Dam TypeConcrete
Max Storage970 acre-ft
Normal Storage825 acre-ft
Surface Area97 acres
Drainage Area32 sq mi
Year Completed1900 (126 years old)
Year Modified1992
NID IDME00277

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 11, 2017
State Regulated: Yes
Regulatory Agency: MEMA

Ownership

Camden, Town of

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Seabright?

Seabright 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 Seabright?

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

When was Seabright built?

Seabright was completed in 1900, making it 126 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 Seabright?

Seabright serves the following purposes: Hydroelectric, Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Seabright?

Seabright has a dam height of 23 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 Seabright last inspected?

Seabright was last inspected on August 11, 2017. 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.