Where is Little Lake?

Little Lake is a lake in St. Louis County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.

How deep is Little Lake?

Little Lake has a maximum depth of 24 feet. The lake covers 70 acres.

Little Lake

St. Louis County, Minnesota70 acresView map Directions

No nutrient or algae sampling on record from Minnesota PCA for this lake.

Max depth

24 ft

Bathymetric survey

Area

70 acres

Surface area

Shoreline

2 mi

Measured length

Impaired · Mercury
24 ft max depth

See the measurements Directions Where to stay

Little Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 24 ft. Surface area: 70 acres.

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Little Lake is a 70-acre lake in St. Louis County, Minnesota with a maximum depth of 24 feet.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Little Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.

Whether Little 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.

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Water quality measurements for Little Lake

These are the measurements Minnesota PCA publishes for Little 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 Little Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

24 ft

Surface area

70 acres

Shoreline

2 mi

The depth above comes from a bathymetric survey of this lake, not from a regional estimate.

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Stays near Little Lake

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Fishing Little Lake

→ Little Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Little Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

Source: EPA ATTAINS assessment unit MN69-0056-00 · Official waterbody report

Nearby Lakes in St. Louis County

Birch Lake3.9 ft clear · Eutrophic2.5 miView →Blueberry Lake2 ft clear · Eutrophic2.6 miView →One Pine Lake4.5 ft clear · Eutrophic3.2 miView →Perch Lake6.6 ft clear4.3 miView →Whisper Lake4.7 miView →Johnson Lake3 ft clear · Eutrophic4.9 miView →

Frequently asked questions about Little Lake

Where is Little Lake?: Little Lake 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 Little Lake?: Little Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 24 ft. Surface area: 70 acres.
Is Little Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Little Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Little Lake?: Little Lake has a maximum depth of 24 feet. The lake covers 70 acres.