Mechanic Falls

Little Androscoggin River· Androscoggin, Maine· Built 1866· Masonry· 15 ft tall
Low Hazard Hydroelectric Private

Key Takeaway

Mechanic Falls is classified as low hazard in Maine. It was completed in 1866 and is 160 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 15 ft (taller than 51.7% in ME)
Dam Length172 ft
Dam TypeMasonry
Max Storage103 acre-ft
Normal Storage103 acre-ft
Surface Area27 acres
Drainage Area250 sq mi
Max Discharge1,000 cfs
Year Completed1866 (160 years old)
NID IDME00379

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: May 15, 2018
State Regulated: No

Ownership

KEI (Maine) Power Management (IV) LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mechanic Falls?

Mechanic Falls 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 Mechanic Falls?

Mechanic Falls is owned by KEI (Maine) Power Management (IV) LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mechanic Falls built?

Mechanic Falls was completed in 1866, making it 160 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 Mechanic Falls?

Mechanic Falls 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 Mechanic Falls?

Mechanic Falls has a dam height of 15 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 Mechanic Falls last inspected?

Mechanic Falls was last inspected on May 15, 2018. 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.