Is Sand Lake Safe for Swimming?
Sand Lake in Sawyer County, Wisconsin has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 9.9 ft visibility. Phosphorus: 23.8 µg/L. Chlorophyll-a (algae): 3.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 9.9 ft |
| Phosphorus | 23.8 μg/L |
| Chlorophyll-a (Algae) | 3.5 μg/L |
| Location | Sawyer County, Wisconsin |
How does Sand Lake compare?
With an overall water quality grade of B, Sand Lake matches or beats the Wisconsin state average of Grade C. It ranks #25 of 50 lakes in Sawyer County by water quality score.
Water clarity (Secchi depth) sits at 9.9 feet. That puts the lake in good clarity range, with limited algae interference. Algae levels (chlorophyll-a) measure 3.5 µg/L — low and well within safe swimming guidelines.