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Unnamed Lake

St. Louis County, MinnesotaView mapDirections

Minnesota PCA publishes the water-quality measurements for Unnamed Lake. Here is what has been measured.

Clarity
11.5 ft
Typical for Minnesota
Secchi · sampled 2021
Trend
Stable
5 years of samples
  • Limited data

Unnamed Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 11.5 ft visibility.

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Unnamed Lake is a lake in St. Louis County, Minnesota. Limited fish-species data available. No public access — the lake is private or restricted.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2021-10-17. Methodology: how these readings are compared.

What Unnamed Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water11.5 ft of visibility

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Unnamed 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 Unnamed Lake

These are the measurements Minnesota PCA publishes for Unnamed Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Good clarity, visible to about 11.5 ft. TSI 42.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)11.5ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorusNo reading

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)No reading

The green pigment in algae — a direct measure of how much algae is in the water.

Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.42Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Unnamed Lake

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

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Stays near Unnamed Lake

Compare lakeside cabins, hotels, and vacation rentals near Unnamed Lake in St. Louis 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 Unnamed Lake

Based on 5 years of monitoring (2020–2024).

  • Water clarity

    Stable

    5 years

See year-by-year chart →

Nearby Lakes in St. Louis County

Frequently asked questions about Unnamed Lake

Where is Unnamed Lake?

Unnamed 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 Unnamed Lake?

Unnamed Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 11.5 ft visibility.

Measurements on this page ↑

Is Unnamed Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Can I fish at Unnamed Lake?

Public access to Unnamed Lake is listed as no on the lake record, so confirm before you make the trip. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.

Where this data comes from

16 measurements from 1 monitoring station, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA16 samples · 2020–2021

Analytical methods

  • Field measurement/observation, generic method
Monitoring station identifiers (1)

EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.