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LakeQuality

Pike Lake vs South Lake

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

Pike Lake and South Lake both received the same overall water quality grade of A (Excellent). Both are in Cook County, Minnesota.

Reviewed by LakeQuality Editorial Team · Updated

Both Pike Lake and South Lake sit in Minnesota. 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: Pike Lake (A) and South 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

Pike Lake

Cook County, Minnesota

Crystal clear, you can see 17.4 ft down.

A

South Lake

Cook County, Minnesota

Crystal clear, you can see 26 ft down.

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.

MetricPike LakeSouth Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity17.4 ft26 ft
Phosphorus7 µg/LNo data
Chlorophyll-a (Algae)No dataNo data
Maximum Depth45 ft140 ft
Surface Area814.43 acres1.1K acres
Public AccessYesYes
Fish Species76
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 (Pike Lake: 17.4 ft, South Lake: 26 ft) and what you want from the lake. Pike Lake supports more documented fish species.