Skip to main content
LakeQuality

Big Trout Lake vs Rush Lake

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

Big Trout Lake and Rush Lake both received the same overall water quality grade of A (Excellent). Both are in Crow Wing County, Minnesota.

A

Big Trout Lake

Crow Wing County, Minnesota

Crystal clear, you can see 16.4 ft down.

A

Rush Lake

Crow Wing County, Minnesota

Crystal clear, you can see 18 ft down.

Side-by-Side Metrics

MetricBig Trout LakeRush Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity16.4 ft18 ft
Phosphorus9 µg/L12 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth128 ft105 ft
Surface Area1.4K acres857.82 acres
Public AccessYesNo
Fish Species2021
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 (Big Trout Lake: 16.4 ft, Rush Lake: 18 ft) and what you want from the lake. Big Trout Lake has fewer fish species than Rush Lake.