Is Upper Mission Lake Safe for Swimming?
Upper Mission Lake in Crow Wing County, Minnesota has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 10 ft visibility. Phosphorus: 21 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 10 ft |
| Phosphorus | 21 μg/L |
| Maximum Depth | 36 ft |
| Location | Crow Wing County, Minnesota |
How does Upper Mission Lake compare?
With an overall water quality grade of B, Upper Mission Lake matches or beats the Minnesota state average of Grade C. It ranks #79 of 120 lakes in Crow Wing County by water quality score.
Water clarity (Secchi depth) sits at 10 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.