Is Island Lake Safe for Swimming?
Island Lake in Itasca County, Minnesota has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Water clarity: 8.9 ft visibility. Phosphorus: 32.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 8.9 ft |
| Phosphorus | 32.5 μg/L |
| Maximum Depth | 35 ft |
| Location | Itasca County, Minnesota |
How does Island Lake compare?
With an overall water quality grade of C, Island Lake matches or beats the Minnesota state average of Grade C. It ranks #107 of 141 lakes in Itasca County by water quality score.
Water clarity (Secchi depth) sits at 8.9 feet. That puts the lake in good clarity range, with limited algae interference.