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Lost Land Lake and Spider Lake read the same on nutrients and algae. Both are in Sawyer County, Wisconsin.

Reviewed by LakeQuality Editorial Team · Updated

Both Lost Land Lake and Spider Lake sit in Wisconsin. 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. These two sit close on the readings, Lost Land Lake versus Spider Lake. The deciding factors for a recreational visitor are likely physical (depth, access, fish species) rather than water-quality differences.

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.

Lost Land Lake

Sawyer County, Wisconsin

Good clarity, visible to about 10 ft.

Spider Lake

Sawyer County, Wisconsin

Good clarity, visible to about 10.5 ft.

Side-by-Side Metrics

MetricLost Land LakeSpider Lake
Water Clarity10 ft10.5 ft Better
Phosphorus17.1 µg/L14.1 µg/L Better
Chlorophyll-a (Algae)No dataNo data
Maximum Depth21 ft64 ft Better
Surface Area1,264 acres1,194 acres
Public AccessYesYes
Fish Species6 Better5
Trophic Statemesotrophicmesotrophic

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 B. The tiebreakers come down to clarity (Lost Land Lake: 10 ft, Spider Lake: 10.5 ft) and what you want from the lake. Lost Land Lake supports more documented fish species.

Source: EPA National Aquatic Resource Surveys, 2026.