Is Thread Lake Safe for Swimming?
Thread Lake in Genesee County, Wisconsin has a water quality grade of F (Very Poor). Avoid swimming, very poor water quality, potential algae toxins. Water clarity: 1.8 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | F (Very Poor) |
| Water Clarity (Secchi Depth) | 1.8 ft |
| Location | Genesee County, Wisconsin |
How does Thread Lake compare?
With an overall water quality grade of F, Thread Lake falls below the Wisconsin state average of Grade B. It ranks #9 of 9 lakes in Genesee County by water quality score.
Water clarity (Secchi depth) sits at 1.8 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff.