Is Island Lake Safe for Swimming?
Island Lake in Rusk County, Wisconsin has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 7.7 ft visibility. Phosphorus: 15.4 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 7.7 ft |
| Phosphorus | 15.4 μg/L |
| Maximum Depth | 54 ft |
| Location | Rusk 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 B. It ranks #2 of 4 lakes in Rusk County by water quality score.
Water clarity (Secchi depth) sits at 7.7 feet. That puts the lake in good clarity range, with limited algae interference.
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