Millinocket Lake

Millinocket Stream· Piscataquis, Maine· Built 1943· Timber Crib· 11 ft tall

Key Takeaway

Millinocket Lake is classified as low hazard in Maine. It was completed in 1943 and is 83 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 11 ft (taller than 27.3% in ME)
Dam Length228 ft
Dam TypeTimber Crib
Max Storage22.9K acre-ft
Normal Storage22.9K acre-ft
Surface Area2,788 acres
Drainage Area70 sq mi
Max Discharge2,735 cfs
Year Completed1943 (83 years old)
NID IDME00228

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: September 25, 2018
State Regulated: No

Ownership

InClime, Inc.

Private

Frequently Asked Questions

What is the hazard classification of Millinocket Lake?

Millinocket Lake 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 Millinocket Lake?

Millinocket Lake is owned by InClime, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Millinocket Lake built?

Millinocket Lake was completed in 1943, making it 83 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 Millinocket Lake?

Millinocket Lake serves the following purposes: Hydroelectric, Recreation, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Millinocket Lake?

Millinocket Lake 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.

When was Millinocket Lake last inspected?

Millinocket Lake was last inspected on September 25, 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.