Is Little Green Lake Safe for Swimming?
Little Green Lake in Green Lake County, Wisconsin has a water quality grade of F (Very Poor). Avoid swimming, very poor water quality, potential algae toxins. Water clarity: 2.9 ft visibility. Phosphorus: 97.6 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | F (Very Poor) |
| Water Clarity (Secchi Depth) | 2.9 ft |
| Phosphorus | 97.6 μg/L |
| Maximum Depth | 28 ft |
| Location | Green Lake County, Wisconsin |
How does Little Green Lake compare?
With an overall water quality grade of F, Little Green Lake falls below the Wisconsin state average of Grade C. It ranks #10 of 13 lakes in Green Lake County by water quality score.
Water clarity (Secchi depth) sits at 2.9 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff.