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Toad Lake and Wolf Lake read the same on nutrients and algae. Both are in Becker County, Minnesota.

Reviewed by LakeQuality Editorial Team · Updated

Both Toad Lake and Wolf 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: Toad Lake and Wolf 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.

Toad Lake

Becker County, Minnesota

Moderate clarity, visible to about 7 ft.

Wolf Lake

Becker County, Minnesota

Murky, only visible to about 3.9 ft.

Side-by-Side Metrics

MetricToad LakeWolf Lake
Water Clarity7 ft Better3.9 ft
Phosphorus27 µg/L25 µg/L Better
Chlorophyll-a (Algae)8 µg/L6.9 µg/L Better
Maximum Depth29 ft Better16 ft
Surface Area1,715 acres1,460 acres
Public AccessYesYes
Fish Species15 Better11
Trophic Stateeutrophiceutrophic

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 C. The tiebreakers come down to clarity (Toad Lake: 7 ft, Wolf Lake: 3.9 ft) and what you want from the lake. Toad Lake supports more documented fish species.

Source: EPA National Aquatic Resource Surveys, 2026.