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LakeQuality

Kabetogama Lake vs Namakan Lake

Water quality, depth, fish species, and recreation comparison.

Namakan Lake has a higher water quality grade (D, Poor) than Kabetogama Lake (F, Very Poor). Both are in St. Louis County, Minnesota.

Kabetogama Lake and Namakan Lake are both in Minnesota — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. These two are within a letter of each other on the rubric — Kabetogama Lake (F) versus Namakan Lake (D). The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.

With grades this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.

F

Kabetogama Lake

St. Louis County, Minnesota

Very murky, less than 2.6 ft of visibility.

D

Namakan Lake

St. Louis County, Minnesota

Murky, only visible to about 4.1 ft.

Side-by-Side Metrics

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

MetricKabetogama LakeNamakan Lake
Overall GradeF (Very Poor)D (Poor)
Water Clarity2.6 ft4.1 ft
PhosphorusNo dataNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth80 ft150 ft
Surface Area24.0K acres24.1K acres
Public AccessYesNo
Fish Species11
Trophic Stateeutrophiceutrophic

Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).

Verdict

Namakan Lake wins on overall water quality with a Grade D versus Kabetogama Lake's Grade F. Water clarity: 4.1 ft vs 2.6 ft. For fishing diversity, Namakan Lake also leads with 1 species.