Where is North Lake Oscar?

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

North Lake Oscar

Douglas County, Minnesota121 acresView map Directions

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

Area

121 acres

Surface area

Shoreline

3.4 mi

Measured length

Impaired · Mercury

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North Lake Oscar in Douglas County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 121 acres.

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North Lake Oscar is a 121-acre lake in Douglas County, Minnesota.

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. North Lake Oscar is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether North Lake Oscar 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 North Lake Oscar

These are the measurements Minnesota PCA publishes for North Lake Oscar, 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 North Lake Oscar

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

Lake Details

Surface area

121 acres

Shoreline

3.4 mi

No bathymetric survey has been published for North Lake Oscar, so its depth is not documented here.

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Stays near North Lake Oscar

Compare lakeside cabins, hotels, and vacation rentals near North Lake Oscar in Douglas County, Minnesota — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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Fishing North Lake Oscar

→ North Lake Oscar fishing regulations (limits, seasons, special rules)

EPA Impairment Status

North Lake Oscar is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MN21-0257-01 · Official waterbody report

Nearby Lakes in Douglas County

Holmes City Lake1.1 miView →South Oscar Lake16.7 ft clear · Mesotrophic1.3 miView →Brandon Lake1.7 miView →Solem Lake2.1 miView →Wally Lake1.6 miView →Thompson Lake1.7 miView →

Frequently asked questions about North Lake Oscar

Where is North Lake Oscar?: North Lake Oscar is a lake in Douglas County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of North Lake Oscar?: North Lake Oscar in Douglas County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 121 acres.
Is North Lake Oscar safe to swim in?: Nutrient and algae readings are not a swimming clearance. North Lake Oscar is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.