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: 17.3 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 | 17.3 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 B. It ranks #4 of 27 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.
Watch Long Lake water quality
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