Mary Lake
Le Sueur County, Minnesota29 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
Mary Lake in Le Sueur County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 29 acres.
Mary Lake is a 29-acre lake in Le Sueur 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 Mary Lake 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 Mary Lake
These are the measurements Minnesota PCA publishes for Mary 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
Surface area
29 acres
Shoreline
0.9 mi
No bathymetric survey has been published for Mary Lake, so its depth is not documented here.
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Frequently asked questions about Mary Lake
Where is Mary Lake?
- Mary Lake is a lake in Le Sueur County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Mary Lake?
- Mary Lake in Le Sueur County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 29 acres.
Is Mary 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 Mary Lake 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