Bass Lake vs Upper Mission Lake
Water quality, depth, fish species, and recreation comparison.
Bass Lake and Upper Mission Lake both received the same overall water quality grade of A (Excellent). Both are in Crow Wing County, Minnesota.
Both Bass Lake and Upper Mission Lake sit in Minnesota. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. The grades are close: Bass Lake (A) and Upper Mission Lake (A) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.
With grades 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.
Bass Lake
Good clarity, visible to about 13 ft.
Upper Mission Lake
Good clarity, visible to about 11 ft.
Side-by-Side Metrics
| Metric | Bass Lake | Upper Mission Lake |
|---|---|---|
| Overall Grade | A (Excellent) | A (Excellent) |
| Water Clarity | 13 ft | 11 ft |
| Phosphorus | 19 µg/L | 15.5 µg/L |
| Chlorophyll-a (Algae) | 5.9 µg/L | 5.1 µg/L |
| Maximum Depth | 27 ft | 36 ft |
| Surface Area | 732 acres | 882 acres |
| Public Access | Yes | Yes |
| Fish Species | 14 | 13 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Both lakes earn the same Grade A. The tiebreakers come down to clarity (Bass Lake: 13 ft, Upper Mission Lake: 11 ft) and what you want from the lake. Bass Lake supports more documented fish species.
Source: EPA National Aquatic Resource Surveys, 2026.