Barker Mill Lower

Little Androscoggin River· Androscoggin, Maine· Built 1874· Concrete· 30 ft tall
Low Hazard Hydroelectric Private

Key Takeaway

Barker Mill Lower is classified as low hazard in Maine. It was completed in 1874 and is 152 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 30 ft (taller than 88.4% in ME)
Dam Length230 ft
Dam TypeConcrete
Max Storage150 acre-ft
Normal Storage150 acre-ft
Surface Area12 acres
Drainage Area353 sq mi
Max Discharge9,400 cfs
Year Completed1874 (152 years old)
NID IDME00551

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: August 9, 2017
State Regulated: No

Ownership

KEI (Maine) Power Management (III) LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Barker Mill Lower?

Barker Mill Lower 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 Barker Mill Lower?

Barker Mill Lower is owned by KEI (Maine) Power Management (III) LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Barker Mill Lower built?

Barker Mill Lower was completed in 1874, making it 152 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 Barker Mill Lower?

Barker Mill Lower serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Barker Mill Lower?

Barker Mill Lower has a dam height of 30 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 Barker Mill Lower last inspected?

Barker Mill Lower was last inspected on August 9, 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.