Thompson Lake
Oxford County, Maine4,300 acresView mapDirections
No nutrient or algae sampling on record from Maine DEP for this lake.
- 121 ft max depth
Thompson Lake in Oxford County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 121 ft. Surface area: 4300 acres.
Thompson Lake is a 4,300-acre lake in Oxford County, Maine with a maximum depth of 121 feet (36-foot average).
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Thompson Lake is good for
From access and monitoring records, not editorial picks.
- Deep water121 ft surveyed max depth
- Big water4,300 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Thompson Lake is safe to swim in today is a call for the Maine Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Thompson Lake
These are the measurements Maine DEP publishes for Thompson Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
121 ft
Average depth
36.1 ft
Surface area
4,300 acres
Shoreline
29.3 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Stays near Thompson Lake
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Fishing Thompson Lake
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Frequently asked questions about Thompson Lake
Where is Thompson Lake?
- Thompson Lake is a lake in Oxford County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.
What is the water quality of Thompson Lake?
- Thompson Lake in Oxford County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 121 ft. Surface area: 4300 acres.
Is Thompson Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Thompson Lake?
- Thompson Lake has a maximum depth of 121 feet and an average depth of 36.1 feet. The lake covers 4300 acres.
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Where this data comes from
Measurements for Thompson Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.