Is Birch Lake Safe for Swimming?
Birch Lake in Vilas County, Wisconsin has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 6.5 ft visibility. Phosphorus: 16.6 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 6.5 ft |
| Phosphorus | 16.6 μg/L |
| Maximum Depth | 45 ft |
| Location | Vilas County, Wisconsin |
How does Birch Lake compare?
With an overall water quality grade of B, Birch Lake matches or beats the Wisconsin state average of Grade C. It ranks #127 of 191 lakes in Vilas County by water quality score.
Water clarity (Secchi depth) sits at 6.5 feet. That puts the lake in good clarity range, with limited algae interference.