Is Big Stone Lake Safe for Swimming?
Big Stone Lake in Oneida County, Wisconsin has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Water clarity: 4.2 ft visibility. Phosphorus: 22.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 4.2 ft |
| Phosphorus | 22.5 μg/L |
| Maximum Depth | 57 ft |
| Location | Oneida County, Wisconsin |
How does Big Stone Lake compare?
With an overall water quality grade of C, Big Stone Lake matches or beats the Wisconsin state average of Grade C. It ranks #83 of 134 lakes in Oneida County by water quality score.
Water clarity (Secchi depth) sits at 4.2 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment.