Skip to main content
LakeQuality

Pike Lake vs Sturgeon Lake

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

Pike Lake has a higher water quality grade (A, Excellent) than Sturgeon Lake (A, Excellent). Both are in St. Louis County, Minnesota.

Both Pike Lake and Sturgeon 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. These two are within a letter of each other on the rubric — Pike Lake (A) versus Sturgeon Lake (A). 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.

A

Pike Lake

St. Louis County, Minnesota

Crystal clear, you can see 18 ft down.

A

Sturgeon Lake

St. Louis County, Minnesota

Good clarity, visible to about 13.8 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.

MetricPike LakeSturgeon Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity18 ft13.8 ft
PhosphorusNo data12.5 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth60 ft79.8 ft
Surface Area488.26 acres1.6K acres
Public AccessYesYes
Fish Species11
Trophic Stateoligotrophicoligotrophic

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

Verdict

Pike Lake wins on overall water quality with a Grade A versus Sturgeon Lake's Grade A. Water clarity: 18 ft vs 13.8 ft. For fishing diversity, Pike Lake also leads with 1 species.