Is Lake Upsilon Safe for Swimming?
Lake Upsilon in Rolette County, Wisconsin has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Water clarity: 11.2 ft visibility. Chlorophyll-a (algae): 2.1 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Water Clarity (Secchi Depth) | 11.2 ft |
| Chlorophyll-a (Algae) | 2.1 μg/L |
| Location | Rolette County, Wisconsin |
How does Lake Upsilon compare?
With an overall water quality grade of A, Lake Upsilon matches or beats the Wisconsin state average of Grade C. It ranks #2 of 14 lakes in Rolette County by water quality score.
Water clarity (Secchi depth) sits at 11.2 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae. Algae levels (chlorophyll-a) measure 2.1 µg/L — low and well within safe swimming guidelines.