Is Long Lake Safe for Swimming?
Long Lake in Washburn County, Wisconsin has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 9.5 ft visibility. Phosphorus: 17.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 9.5 ft |
| Phosphorus | 17.5 μg/L |
| Location | Washburn County, Wisconsin |
How does Long Lake compare?
With an overall water quality grade of B, Long Lake matches or beats the Wisconsin state average of Grade C. It ranks #24 of 47 lakes in Washburn County by water quality score.
Water clarity (Secchi depth) sits at 9.5 feet. That puts the lake in good clarity range, with limited algae interference.