Is Tolna Dam Lake Safe for Swimming?
Tolna Dam Lake in Nelson 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 |
| Location | Nelson County, Wisconsin |
How does Tolna Dam Lake compare?
With an overall water quality grade of D, Tolna Dam Lake falls below the Wisconsin state average of Grade C. It ranks #5 of 9 lakes in Nelson 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.