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LakeQuality

Blanche Lake vs Otter Tail Lake

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

Blanche Lake and Otter Tail Lake both received the same overall water quality grade of A (Excellent). Both are in Otter Tail County, Minnesota.

A

Blanche Lake

Otter Tail County, Minnesota

Good clarity, visible to about 12.5 ft.

A

Otter Tail Lake

Otter Tail County, Minnesota

Good clarity, visible to about 12.1 ft.

Side-by-Side Metrics

MetricBlanche LakeOtter Tail Lake
Overall GradeA (Excellent)A (Excellent)
Water Clarity12.5 ft12.1 ft
Phosphorus11 µg/L16 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth64 ft120 ft
Surface Area1.3K acres14.1K acres
Public AccessYesYes
Fish Species417
Trophic Stateoligotrophicmesotrophic

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 (Blanche Lake: 12.5 ft, Otter Tail Lake: 12.1 ft) and what you want from the lake. Blanche Lake has fewer fish species than Otter Tail Lake.