Is Delavan Lake Safe for Swimming?
Delavan Lake in Walworth County, Wisconsin has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Water clarity: 8 ft visibility. Phosphorus: 49.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 8 ft |
| Phosphorus | 49.5 μg/L |
| Location | Walworth County, Wisconsin |
How does Delavan Lake compare?
With an overall water quality grade of C, Delavan Lake matches or beats the Wisconsin state average of Grade C. It ranks #20 of 34 lakes in Walworth County by water quality score.
Water clarity (Secchi depth) sits at 8 feet. That puts the lake in good clarity range, with limited algae interference.