Is Island Lake Safe for Swimming?
Island Lake in Vilas County, Wisconsin has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 9.9 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 9.9 ft |
| Maximum Depth | 35 ft |
| Location | Vilas County, Wisconsin |
How does Island Lake compare?
With an overall water quality grade of B, Island Lake matches or beats the Wisconsin state average of Grade C. It ranks #90 of 191 lakes in Vilas County by water quality score.
Water clarity (Secchi depth) sits at 9.9 feet. That puts the lake in good clarity range, with limited algae interference.