Is South Twin Lake Safe for Swimming?
South Twin Lake in Polk County, Wisconsin has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Phosphorus: 11.7 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Phosphorus | 11.7 μg/L |
| Location | Polk County, Wisconsin |
How does South Twin Lake compare?
With an overall water quality grade of A, South Twin Lake matches or beats the Wisconsin state average of Grade C. It ranks #7 of 73 lakes in Polk County by water quality score.