Is Swenson Lake Safe for Swimming?
Swenson Lake in Beltrami County, Minnesota has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Water clarity: 20.8 ft visibility. Phosphorus: 8 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Water Clarity (Secchi Depth) | 20.8 ft |
| Phosphorus | 8 μg/L |
| Maximum Depth | 76 ft |
| Location | Beltrami County, Minnesota |
How does Swenson Lake compare?
With an overall water quality grade of A, Swenson Lake matches or beats the Minnesota state average of Grade C. It ranks #18 of 86 lakes in Beltrami County by water quality score.
Water clarity (Secchi depth) sits at 20.8 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.