Is Beltrami Lake Safe for Swimming?
Beltrami Lake in Beltrami County, Minnesota has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Water clarity: 11 ft visibility. Phosphorus: 15 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Water Clarity (Secchi Depth) | 11 ft |
| Phosphorus | 15 μg/L |
| Location | Beltrami County, Minnesota |
How does Beltrami Lake compare?
With an overall water quality grade of A, Beltrami Lake matches or beats the Minnesota state average of Grade C. It ranks #34 of 92 lakes in Beltrami County by water quality score.
Water clarity (Secchi depth) sits at 11 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.