Is Little St Germain Lake Safe for Swimming?
Little St Germain Lake in Vilas County, Wisconsin has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 11.5 ft visibility. Phosphorus: 45.4 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 11.5 ft |
| Phosphorus | 45.4 μg/L |
| Maximum Depth | 53 ft |
| Location | Vilas County, Wisconsin |
How does Little St Germain Lake compare?
With an overall water quality grade of B, Little St Germain Lake matches or beats the Wisconsin state average of Grade B. It ranks #189 of 202 lakes in Vilas County by water quality score.
Water clarity (Secchi depth) sits at 11.5 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.