Is Lake Paho Safe for Swimming?
Lake Paho in Mercer County, Wisconsin has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 2.2 ft visibility. Phosphorus: 37 µg/L. Chlorophyll-a (algae): 48.2 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | D (Poor) |
| Water Clarity (Secchi Depth) | 2.2 ft |
| Phosphorus | 37 μg/L |
| Chlorophyll-a (Algae) | 48.2 μg/L |
| Location | Mercer County, Wisconsin |
How does Lake Paho compare?
With an overall water quality grade of D, Lake Paho falls below the Wisconsin state average of Grade C. It ranks #2 of 2 lakes in Mercer County by water quality score.
Water clarity (Secchi depth) sits at 2.2 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff. Algae levels (chlorophyll-a) measure 48.2 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.