Lake Alf
St. Louis County, Minnesota71 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
Lake Alf in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 71 acres.
Lake Alf is a 71-acre lake in St. Louis 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 Alf 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 Alf
These are the measurements Minnesota PCA publishes for Lake Alf, 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 Alf
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
71 acres
No bathymetric survey has been published for Lake Alf, so its depth is not documented here.
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Fishing Lake Alf
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Frequently asked questions about Lake Alf
Where is Lake Alf?
- Lake Alf is a lake in St. Louis 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 Alf?
- Lake Alf in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 71 acres.
Is Lake Alf 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 Alf 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