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LakeQuality

Unnamed Lake

NR
Not yet rated
1.2 ft clear · Hypereutrophic
Limited DataHypereutrophic

Unnamed Lake in Becker County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 1.2 ft visibility.

Clarity
1.2 ft

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ALittle Floyd Lake11 ft clear · Becker CountyView →
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Why Unnamed Lake has no grade

We grade a lake only when its monitoring record clears the evidence bar: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Unnamed Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded water clarity, but not phosphorus and algae (chlorophyll-a).

Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.

Sampling is run by MPCA and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.

Unnamed Lake is a lake in Becker County, Minnesota.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2022-09-14. Grade methodology: LakeGrade methodology.

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Swimming Safety

Not rated

Limited data

Not rated for swimming — there is not enough monitoring data to judge this lake

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Water quality measurements for Unnamed Lake

These readings exist but do not meet the evidence bar for an A–F grade — see why.

Very murky, less than 1.2 ft of visibility. Trophic State Index: 75.

MetricValueGrade
Water Clarity (Secchi Depth)1.2 ftNot graded
PhosphorusNo recent samples
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)75Hypereutrophic

Very high nutrients, dense algae, poor clarity

Where to stay near Unnamed Lake

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

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Fishing Unnamed Lake

EPA Impairment Status

Unnamed 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

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

Source: EPA ATTAINS assessment unit MN03-0386-00 · Official waterbody report · Matched by proximity (2.77 km)

Graded lakes near Unnamed Lake

Unnamed Lake has no grade, but these lakes within a short drive do.

Nearby Lakes in Becker County

Frequently asked questions about Unnamed Lake

What is the water quality grade for Unnamed Lake?

Unnamed Lake in Becker County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 1.2 ft visibility.

Is Unnamed Lake safe to swim in?

Not rated for swimming — there is not enough monitoring data to judge this lake. Unnamed Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.

State Parks Near Unnamed Lake

Hypereutrophic Lakes in Minnesota

Where this data comes from

2 measurements from 2 monitoring stations, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Department of Agriculture - Pesticide MonitoringMNDA_PESTICIDE1 sample · 2022
  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA1 sample · 2022

Analytical methods

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

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database