Millinocket Lake
Key Takeaway
Millinocket Lake is classified as high hazard in Maine. It was completed in 1910 and is 116 years old. Its primary use is hydroelectric. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 74.1% in ME) |
| Dam Length | 635 ft |
| Dam Type | Concrete |
| Max Storage | 45.4K acre-ft |
| Normal Storage | 45.4K acre-ft |
| Surface Area | 8,640 acres |
| Drainage Area | 122 sq mi |
| Max Discharge | 7,000 cfs |
| Year Completed | 1910 (116 years old) |
| NID ID | ME00205 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Not Listed
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Millinocket Lake?
Millinocket Lake is classified as High Hazard. Loss of human life is likely if the dam fails. 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 information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Millinocket Lake built?
Millinocket Lake was completed in 1910, making it 116 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, Navigation, Fish And Wildlife Pond, Recreation, Water Supply, 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 20 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 August 11, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.