Steamboat Bay Lake vs Steamboat Lake
Water quality, depth, fish species, and recreation comparison.
Steamboat Bay Lake and Steamboat Lake read the same on nutrients and algae. Both are in Cass County, Minnesota.
Both Steamboat Bay Lake and Steamboat 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: Steamboat Bay Lake and Steamboat 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.
Steamboat Bay Lake
Moderate clarity, visible to about 9.8 ft.
Steamboat Lake
Good clarity, visible to about 12 ft.
Side-by-Side Metrics
| Metric | Steamboat Bay Lake | Steamboat Lake |
|---|---|---|
| Water Clarity | 9.8 ft | 12 ft Better |
| Phosphorus | 15 µg/L | 11 µg/L Better |
| Chlorophyll-a (Algae) | 3 µg/L Better | 3.4 µg/L |
| Maximum Depth | 150 ft Better | 93 ft |
| Surface Area | 103,444 acres | 1,756 acres |
| Public Access | Yes | Yes |
| Fish Species | 18 Better | 15 |
| Trophic State | mesotrophic | mesotrophic |
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.
Swap a lake
Compare Steamboat Bay Lake or Steamboat Lake against a different lake.
Verdict
Both lakes earn the same Grade A. The tiebreakers come down to clarity (Steamboat Bay Lake: 9.8 ft, Steamboat Lake: 12 ft) and what you want from the lake. Steamboat Bay Lake supports more documented fish species.
Source: EPA National Aquatic Resource Surveys, 2026.