Loon Lake

Loon Stream· Piscataquis, Maine· Built 1914· Concrete· 17 ft tall
Low Hazard Hydroelectric Fish And Wildlife Pond Not Listed

Key Takeaway

Loon Lake is classified as low hazard in Maine. It was completed in 1914 and is 112 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 17 ft (taller than 65.2% in ME)
Dam Length511 ft
Dam TypeConcrete
Max Storage10.5K acre-ft
Normal Storage10.5K acre-ft
Surface Area1,600 acres
Drainage Area60 sq mi
Max Discharge0 cfs
Year Completed1914 (112 years old)
NID IDME00212

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: July 12, 2018
State Regulated: No

Ownership

Not Listed

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Loon Lake?

Loon 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 Loon Lake?

Loon Lake is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Loon Lake built?

Loon Lake was completed in 1914, making it 112 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 Loon Lake?

Loon Lake serves the following purposes: Hydroelectric, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Loon Lake?

Loon Lake has a dam height of 17 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 Loon Lake last inspected?

Loon Lake was last inspected on July 12, 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.