South Twin Lake
Penobscot County, Maine2,980 acresView mapDirections
No nutrient or algae sampling on record from Maine DEP for this lake.
South Twin Lake in Penobscot County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Surface area: 2980 acres.
South Twin Lake is a 2,980-acre lake in Penobscot County, Maine.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What South Twin Lake is good for
From access and monitoring records, not editorial picks.
- Big water2,980 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether South Twin 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 South Twin Lake
These are the measurements Maine DEP publishes for South Twin 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.
Ask about South Twin Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
2,980 acres
No bathymetric survey has been published for South Twin Lake, so its depth is not documented here.
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Stays near South Twin Lake
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Fishing South Twin Lake
Nearby Lakes in Penobscot County
Frequently asked questions about South Twin Lake
Where is South Twin Lake?
- South Twin Lake is a lake in Penobscot County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.
What is the water quality of South Twin Lake?
- South Twin Lake in Penobscot County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Surface area: 2980 acres.
Is South Twin Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for South Twin Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.