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Sand Lake and Whitefish Lake read the same on nutrients and algae. Both are in Sawyer County, Wisconsin.

Reviewed by LakeQuality Editorial Team · Updated

Sand Lake and Whitefish Lake are both in Wisconsin — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. The readings are close: Sand Lake and Whitefish 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.

Sand Lake

Sawyer County, Wisconsin

Good clarity, visible to about 10 ft.

Whitefish Lake

Sawyer County, Wisconsin

Good clarity, visible to about 13.5 ft.

Side-by-Side Metrics

MetricSand LakeWhitefish Lake
Water Clarity10 ft13.5 ft Better
Phosphorus23.8 µg/L14 µg/L Better
Chlorophyll-a (Algae)4.1 µg/L1.6 µg/L Better
Maximum Depth50 ft105 ft Better
Surface Area949 acres800 acres
Public AccessYesYes
Fish Species67 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 (Sand Lake: 10 ft, Whitefish Lake: 13.5 ft) and what you want from the lake. Sand Lake has fewer fish species than Whitefish Lake.

Source: EPA National Aquatic Resource Surveys, 2026.