Thompson Lake
Key Takeaway
Thompson Lake is classified as low hazard in Maine. It was completed in 1800 and is 226 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 13 ft (taller than 41.6% in ME) |
| Dam Length | 35 ft |
| Dam Type | Stone |
| Max Storage | 30.0K acre-ft |
| Normal Storage | 21.8K acre-ft |
| Surface Area | 4,224 acres |
| Drainage Area | 46 sq mi |
| Year Completed | 1800 (226 years old) |
| Year Modified | 1974 |
| NID ID | ME00016 |
Safety Information
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?
Ownership
Oxford
Local Government
Nearby Dams
Welchville
Oxford, ME
Low Hazard 16 ftPennessewassee Stream
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Low Hazard 19 ftBillings
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Low Hazard 9 ftMechanic Falls
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Low Hazard 15 ftPleasant Pond
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Low Hazard 9 ftFrequently Asked Questions
What is the hazard classification of Thompson Lake?
Thompson 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 Thompson Lake?
Thompson Lake is owned by Oxford (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thompson Lake built?
Thompson Lake was completed in 1800, making it 226 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 Thompson Lake?
Thompson Lake serves the following purposes: Hydroelectric, Other, Navigation, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Thompson Lake?
Thompson Lake has a dam height of 13 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 Thompson Lake last inspected?
Thompson Lake was last inspected on March 24, 2009. Inspection dates indicate when a formal review occurred, not the results of that inspection.