Hackett Mills

Little Androscoggin River· Androscoggin, Maine· Built 1986· Timber Crib· 8 ft tall
Low Hazard Hydroelectric Private

Key Takeaway

Hackett Mills is classified as low hazard in Maine. It was completed in 1986 and is 40 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 8 ft (taller than 4.6% in ME)
Dam Length220 ft
Dam TypeTimber Crib
Max Storage480 acre-ft
Normal Storage480 acre-ft
Surface Area60 acres
Drainage Area313 sq mi
Max Discharge474 cfs
Year Completed1986 (40 years old)
NID IDME00429

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

Hackett Mills Hydro Associates

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hackett Mills?

Hackett Mills 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 Hackett Mills?

Hackett Mills is owned by Hackett Mills Hydro Associates (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hackett Mills built?

Hackett Mills was completed in 1986, making it 40 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 Hackett Mills?

Hackett Mills 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 Hackett Mills?

Hackett Mills 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 Hackett Mills last inspected?

Hackett Mills 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.