Is Pomme de Terre Lake Safe for Swimming?
Pomme de Terre Lake in Hickory 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. Phosphorus: 89 µg/L. Chlorophyll-a (algae): 254 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 |
| Phosphorus | 89 μg/L |
| Chlorophyll-a (Algae) | 254 μg/L |
| Location | Hickory County, Wisconsin |
How does Pomme de Terre Lake compare?
With an overall water quality grade of F, Pomme de Terre Lake falls below the Wisconsin state average of Grade C. It ranks #9 of 10 lakes in Hickory 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 254 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.