Skip to main content
LakeQuality

Lac Courte Oreilles Lake vs Whitefish Lake

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

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

Both Lac Courte Oreilles Lake and Whitefish Lake sit in Wisconsin. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. The grades are close: Lac Courte Oreilles Lake (A) and Whitefish Lake (A) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.

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.

A

Lac Courte Oreilles Lake

Sawyer County, Wisconsin

Good clarity, visible to about 12.2 ft.

A

Whitefish Lake

Sawyer County, Wisconsin

Good clarity, visible to about 13.5 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.

MetricLac Courte Oreilles LakeWhitefish Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity12.2 ft13.5 ft
Phosphorus16 µg/L13.6 µg/L
Chlorophyll-a (Algae)1.4 µg/L1.8 µg/L
Maximum Depth90 ft105 ft
Surface Area5.1K acres800 acres
Public AccessUnknownUnknown
Fish Species00
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: 12.2 ft, Whitefish Lake: 13.5 ft) and what you want from the lake. Lac Courte Oreilles Lake matches its peer on species count.