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Blanche Lake and West Battle Lake read the same on nutrients and algae. Both are in Otter Tail County, Minnesota.

Reviewed by LakeQuality Editorial Team · Updated

Both Blanche Lake and West Battle Lake sit in Minnesota. A same-state comparison strips out the state-level water-quality regime as a variable: any differences in the readings here are about the lakes themselves, not the agencies sampling them. The readings are close: Blanche Lake and West Battle Lake sit within a narrow band of each other on phosphorus, chlorophyll-a and clarity. The per-parameter table below shows where the small differences actually live.

With readings 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.

Blanche Lake

Otter Tail County, Minnesota

Good clarity, visible to about 12.5 ft.

West Battle Lake

Otter Tail County, Minnesota

Crystal clear, you can see 18 ft down.

Side-by-Side Metrics

MetricBlanche LakeWest Battle Lake
Water Clarity12.5 ft18 ft Better
Phosphorus11 µg/L8 µg/L Better
Chlorophyll-a (Algae)4.5 µg/L2.7 µg/L Better
Maximum Depth64 ft108 ft Better
Surface Area1,296 acres5,615 acres
Public AccessYesYes
Fish Species417 Better
Trophic Statemesotrophicoligotrophic

A green ✓ marks the better value for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better). Surface area and trophic state carry no tick — a bigger lake is not a better lake.

Verdict

Both lakes earn the same Grade A. The tiebreakers come down to clarity (Blanche Lake: 12.5 ft, West Battle Lake: 18 ft) and what you want from the lake. Blanche Lake has fewer fish species than West Battle Lake.

Source: EPA National Aquatic Resource Surveys, 2026.