Is Clearwater Lake Safe for Swimming?
Clearwater Lake in Cook County, Minnesota has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Water clarity: 30 ft visibility. Phosphorus: 4 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Water Clarity (Secchi Depth) | 30 ft |
| Phosphorus | 4 μg/L |
| Maximum Depth | 65 ft |
| Location | Cook County, Minnesota |
How does Clearwater Lake compare?
With an overall water quality grade of A, Clearwater Lake matches or beats the Minnesota state average of Grade C. It ranks #1 of 128 lakes in Cook County by water quality score.
Water clarity (Secchi depth) sits at 30 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.