Is Ludden Lake Safe for Swimming?
Ludden Lake in Iowa 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. Phosphorus: 172 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | F (Very Poor) |
| Water Clarity (Secchi Depth) | 1.5 ft |
| Phosphorus | 172 μg/L |
| Location | Iowa County, Wisconsin |
How does Ludden Lake compare?
With an overall water quality grade of F, Ludden Lake falls below the Wisconsin state average of Grade C. It ranks #6 of 6 lakes in Iowa 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.