Is East Lake Osceola Safe for Swimming?
East Lake Osceola in Clarke 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. Chlorophyll-a (algae): 81.6 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 |
| Chlorophyll-a (Algae) | 81.6 μg/L |
| Location | Clarke County, Wisconsin |
How does East Lake Osceola compare?
With an overall water quality grade of F, East Lake Osceola falls below the Wisconsin state average of Grade D. It ranks #2 of 2 lakes in Clarke 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. Algae levels (chlorophyll-a) measure 81.6 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.