Fern Lake
Cook County, Minnesota72 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- 65 ft max depth
Fern Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 65 ft. Surface area: 72 acres.
Fern Lake is a 72-acre lake in Cook County, Minnesota with a maximum depth of 65 feet.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. Methodology: how these readings are compared.
What Fern Lake is good for
From access and monitoring records, not editorial picks.
- Deep water65 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Fern 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 Fern Lake
These are the measurements Minnesota PCA publishes for Fern 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 Fern Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
65 ft
Surface area
72 acres
Shoreline
2.4 mi
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Fishing Fern Lake
Nearby Lakes in Cook County
Frequently asked questions about Fern Lake
Where is Fern Lake?
- Fern Lake is a lake in Cook County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Fern Lake?
- Fern Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 65 ft. Surface area: 72 acres.
Is Fern Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Fern Lake?
- Fern Lake has a maximum depth of 65 feet. The lake covers 72 acres.
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Where this data comes from
Measurements for Fern 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