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Crooked Lake and Steamboat Bay Lake read the same on nutrients and algae. Both are in Cass County, Minnesota.

Reviewed by LakeQuality Editorial Team · Updated

Crooked Lake and Steamboat Bay Lake are both in Minnesota — 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: Crooked Lake and Steamboat Bay 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.

Crooked Lake

Cass County, Minnesota

Good clarity, visible to about 12 ft.

Steamboat Bay Lake

Cass County, Minnesota

Moderate clarity, visible to about 9.8 ft.

Side-by-Side Metrics

MetricCrooked LakeSteamboat Bay Lake
Water Clarity12 ft Better9.8 ft
Phosphorus13 µg/L Better15 µg/L
Chlorophyll-a (Algae)4 µg/L3 µg/L Better
Maximum Depth74 ft150 ft Better
Surface Area582 acres103,444 acres
Public AccessNoYes
Fish Species1318 Better
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.

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Compare Crooked Lake or Steamboat Bay Lake against a different lake.

Verdict

Both lakes earn the same Grade A. The tiebreakers come down to clarity (Crooked Lake: 12 ft, Steamboat Bay Lake: 9.8 ft) and what you want from the lake. Crooked Lake has fewer fish species than Steamboat Bay Lake.

Source: EPA National Aquatic Resource Surveys, 2026.