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LakeQuality

Unnamed Lake

Stearns County, MinnesotaView mapDirections

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

Clarity
10 ft
Typical for Minnesota
Secchi · sampled 2025
Water temp
~74°F
Typical for Aug · EPA WQP
Trend
Worsening
5 years of samples
  • Limited data

Unnamed Lake in Stearns County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 10 ft visibility.

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Unnamed Lake is a lake in Stearns County, Minnesota. Overall water quality is declining over recent sampling years. 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 2025-08-26. Methodology: how these readings are compared.

What Unnamed Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water10 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 10 ft. TSI 44.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)10ftMeasured, 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.44Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Unnamed Lake

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

Water Temperature

Unnamed Lake typically sits around 74°F at the surface in August. Summer average is about 72°F. Usually warmest in Jul (about 75°F) and coldest in Jun (about 68°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
68°
Jun
75°
Jul
74°
Aug
Sep
Oct
Nov
Dec

Column height runs from this lake’s coldest month (68°F) to its warmest (75°F).

Typical surface water temperature by month, from 62 field readings (2024–2025) via the EPA Water Quality Portal. See the full Unnamed Lake water temperature breakdown →

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Unnamed Lake. 1 report on file.

These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).

Stays via Stay22

Stays near Unnamed Lake

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

Top-rated places to stay near Unnamed Lake

Prices for Oct 9–11, 4 adults. Change dates on the map below.

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Fishing Unnamed Lake

Based on 5 years of monitoring (2021–2025).

  • Water clarity

    Worsening

    5 years

See year-by-year chart →

Regulated Pollution Sources Nearby

2 EPA-permitted facilities operate within about 5 miles of Unnamed Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.

  • Bel Clare Estates Wwtp
    Saint Cloud · 1.6 mi away · NPDES MN0045721
    Recent violation
  • Martin Marietta Materials Inc
    Waite Park · 1.2 mi away · NPDES MN0004031

Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.

Nearby Lakes in Stearns County

Frequently asked questions about Unnamed Lake

Where is Unnamed Lake?

Unnamed Lake is a lake in Stearns 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 Stearns County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Water clarity: 10 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 ↑

What is the water temperature of Unnamed Lake?

Unnamed Lake typically sits around 74°F at the surface in August, from 62 EPA Water Quality Portal field readings (2024–2025). That is a typical value for the month, not a live reading.

Temp 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.

State Parks Near Unnamed Lake

Where this data comes from

104 measurements from 2 monitoring stations, 2021–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA104 samples · 2021–2025

Analytical methods

  • Field measurement/observation, generic method
Monitoring station identifiers (2)

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.

Other records on this page

Regulated discharger data from EPA ECHO (ICIS-NPDES)