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LakeQuality

How Clean Is Namekagon Lake?

Namekagon Lake is among the cleanest lakes in Wisconsin. It received a water quality grade of A (Excellent) based on EPA monitoring data. Phosphorus: 11.7 µg/L. Trophic State Index: 40.

Cleanliness Snapshot

MetricNamekagon LakeWisconsin avg
Overall GradeAB
Phosphorus11.7 µg/L<30 = clean
Trophic State Index40<50 = clean

How does Namekagon Lake compare?

Namekagon Lake's grade of A matches or beats the Wisconsin state average of B. It ranks #43 of 55 lakes in Bayfield County by water quality score.