Is Island Lake Safe for Swimming?
Island Lake in Vilas County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Not rated for swimming — there is not enough monitoring data to judge this lake. Water clarity: 9.9 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | NR (Not rated) |
| Water Clarity (Secchi Depth) | 9.9 ft |
| Maximum Depth | 35 ft |
| Location | Vilas County, Wisconsin |
How does Island Lake compare?
Island Lake is not rated for water quality — its monitoring record does not meet the evidence bar, so it is not compared with the Wisconsin state average.
Water clarity (Secchi depth) sits at 9.9 feet. That puts the lake in good clarity range, with limited algae interference.