Is Big Round Deep Hole South Lake Safe for Swimming?
Big Round Deep Hole South Lake in Polk County, Wisconsin has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 4.9 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | D (Poor) |
| Water Clarity (Secchi Depth) | 4.9 ft |
| Maximum Depth | 17 ft |
| Location | Polk County, Wisconsin |
How does Big Round Deep Hole South Lake compare?
With an overall water quality grade of D, Big Round Deep Hole South Lake falls below the Wisconsin state average of Grade B. It ranks #75 of 77 lakes in Polk County by water quality score.
Water clarity (Secchi depth) sits at 4.9 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment.