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LakeQuality

Is Namakan Lake Safe for Swimming?

Namakan Lake in St. Louis County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Not rated for swimming — there is not enough monitoring data to judge this lake. Water clarity: 11.5 ft visibility. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeNR (Not rated)
Water Clarity (Secchi Depth)11.5 ft
Maximum Depth150 ft
LocationSt. Louis County, Minnesota

How does Namakan Lake compare?

Namakan Lake is not rated for water quality — its monitoring record does not meet the evidence bar, so it is not compared with the Minnesota state average.

Water clarity (Secchi depth) sits at 11.5 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.