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LakeQuality

Fish Trap Lake vs Shamineau Lake

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

Shamineau Lake has a higher water quality grade (A, Excellent) than Fish Trap Lake (B, Good). Both are in Morrison County, Minnesota.

Both Fish Trap Lake and Shamineau 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 — Fish Trap Lake (B) versus Shamineau 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.

B

Fish Trap Lake

Morrison County, Minnesota

Good clarity, visible to about 10 ft.

A

Shamineau Lake

Morrison County, Minnesota

Good clarity, visible to about 12.5 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.

MetricFish Trap LakeShamineau Lake
Overall GradeB (Good)A (Excellent)
Water Clarity10 ft12.5 ft
Phosphorus22 µg/L14 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth42 ft52 ft
Surface Area1.2K acres1.4K acres
Public AccessYesYes
Fish Species11
Trophic Statemesotrophicmesotrophic

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

Verdict

Shamineau Lake wins on overall water quality with a Grade A versus Fish Trap Lake's Grade B. Water clarity: 12.5 ft vs 10 ft. For fishing diversity, Shamineau Lake also leads with 1 species.