Is Big Eau Pleine Southeast Point Lake Safe for Swimming?
Big Eau Pleine Southeast Point Lake in Marathon County, Wisconsin has a water quality grade of F (Very Poor). Avoid swimming, very poor water quality, potential algae toxins. Water clarity: 1.5 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | F (Very Poor) |
| Water Clarity (Secchi Depth) | 1.5 ft |
| Maximum Depth | 46 ft |
| Location | Marathon County, Wisconsin |
How does Big Eau Pleine Southeast Point Lake compare?
With an overall water quality grade of F, Big Eau Pleine Southeast Point Lake falls below the Wisconsin state average of Grade C. It ranks #5 of 5 lakes in Marathon County by water quality score.
Water clarity (Secchi depth) sits at 1.5 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff.