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LakeQuality

Lac Courte Oreilles Lake vs Mud Lake

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

Lac Courte Oreilles Lake and Mud Lake both received the same overall water quality grade of A (Excellent). Both are in Sawyer County, Wisconsin.

A

Lac Courte Oreilles Lake

Sawyer County, Wisconsin

Crystal clear, you can see 38.7 ft down.

A

Mud Lake

Sawyer County, Wisconsin

Crystal clear, you can see 32.8 ft down.

Side-by-Side Metrics

MetricLac Courte Oreilles LakeMud Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity38.7 ft32.8 ft
Phosphorus16 µg/L19 µg/L
Chlorophyll-a (Algae)1.4 µg/LNo data
Maximum Depth90 ft-
Surface Area5.1K acres464 acres
Public AccessYesYes
Fish Species64
Trophic Stateoligotrophicoligotrophic

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

Verdict

Both lakes earn the same Grade A. The tiebreakers come down to clarity (Lac Courte Oreilles Lake: 38.7 ft, Mud Lake: 32.8 ft) and what you want from the lake. Lac Courte Oreilles Lake supports more documented fish species.