Is Mud Lake Safe for Swimming?
Mud Lake in Sawyer County, Wisconsin has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Water clarity: 10 ft visibility. Phosphorus: 19 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Water Clarity (Secchi Depth) | 10 ft |
| Phosphorus | 19 μg/L |
| Maximum Depth | 15 ft |
| Location | Sawyer County, Wisconsin |
How does Mud Lake compare?
With an overall water quality grade of A, Mud Lake matches or beats the Wisconsin state average of Grade C. It ranks #15 of 50 lakes in Sawyer 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.