Lake Johnson
Swift County, Minnesota99 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
Lake Johnson in Swift County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 99 acres.
Lake Johnson is a 99-acre lake in Swift 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 Johnson 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 Johnson
These are the measurements Minnesota PCA publishes for Lake Johnson, 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 Johnson
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
99 acres
Shoreline
1.5 mi
No bathymetric survey has been published for Lake Johnson, so its depth is not documented here.
Stays via Stay22
Stays near Lake Johnson
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Fishing Lake Johnson
Nearby Lakes in Swift County
Frequently asked questions about Lake Johnson
Where is Lake Johnson?
- Lake Johnson is a lake in Swift 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 Johnson?
- Lake Johnson in Swift County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 99 acres.
Is Lake Johnson 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 Johnson 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