Is Yellowstone Lake Safe for Swimming?
Yellowstone Lake in Lafayette County, Wisconsin has a water quality grade of F (Very Poor). Avoid swimming, very poor water quality, potential algae toxins. Water clarity: 1.2 ft visibility. Phosphorus: 156 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | F (Very Poor) |
| Water Clarity (Secchi Depth) | 1.2 ft |
| Phosphorus | 156 μg/L |
| Location | Lafayette County, Wisconsin |
How does Yellowstone Lake compare?
With an overall water quality grade of F, Yellowstone Lake falls below the Wisconsin state average of Grade C. It ranks #3 of 3 lakes in Lafayette County by water quality score.
Water clarity (Secchi depth) sits at 1.2 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff.