Big Lake
Carlton County, Minnesota515 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- 25 ft max depth
Big Lake in Carlton County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 25 ft. Surface area: 515 acres.
Big Lake is a 515-acre lake in Carlton County, Minnesota with a maximum depth of 25 feet.
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 Big 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 Big Lake
These are the measurements Minnesota PCA publishes for Big 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
Max depth
25 ft
Surface area
515 acres
Shoreline
7.7 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Fishing Big Lake
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Frequently asked questions about Big Lake
Where is Big Lake?
- Big Lake is a lake in Carlton County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Big Lake?
- Big Lake in Carlton County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 25 ft. Surface area: 515 acres.
Is Big Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Big Lake?
- Big Lake has a maximum depth of 25 feet. The lake covers 515 acres.
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Where this data comes from
Measurements for Big 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