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LakeQuality

Shallow Lake vs Trout Lake

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

Shallow Lake and Trout Lake both received the same overall water quality grade of A (Excellent). Both are in Itasca County, Minnesota.

Both Shallow Lake and Trout 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 — Shallow Lake (A) versus Trout 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

Shallow Lake

Itasca County, Minnesota

Crystal clear, you can see 16.4 ft down.

A

Trout Lake

Itasca County, Minnesota

Crystal clear, you can see 18 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.

MetricShallow LakeTrout Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity16.4 ft18 ft
Phosphorus9 µg/L3.5 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth85 ft157 ft
Surface Area538.95 acres1.7K acres
Public AccessYesNo
Fish Species11
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 (Shallow Lake: 16.4 ft, Trout Lake: 18 ft) and what you want from the lake. Shallow Lake matches its peer on species count.