Lake Four
Aitkin County, Minnesota40 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
Lake Four in Aitkin County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 40 acres.
Lake Four is a 40-acre lake in Aitkin County, Minnesota.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Four is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Four
These are the measurements Minnesota PCA publishes for Lake Four, 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 Lake Four
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
40 acres
Shoreline
1.6 mi
No bathymetric survey has been published for Lake Four, so its depth is not documented here.
Stays via Stay22
Stays near Lake Four
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Fishing Lake Four
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Frequently asked questions about Lake Four
Where is Lake Four?
- Lake Four is a lake in Aitkin County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Lake Four?
- Lake Four in Aitkin County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 40 acres.
Is Lake Four 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 Lake Four come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Lake details from Minnesota DNR LakeFinder