Is Beaver Lake Safe for Swimming?
Beaver Lake in Logan County, Wisconsin has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Water clarity: 1.4 ft visibility. Chlorophyll-a (algae): 4.8 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 1.4 ft |
| Chlorophyll-a (Algae) | 4.8 μg/L |
| Location | Logan County, Wisconsin |
How does Beaver Lake compare?
With an overall water quality grade of C, Beaver Lake matches or beats the Wisconsin state average of Grade C. It ranks #1 of 1 lakes in Logan County by water quality score.
Water clarity (Secchi depth) sits at 1.4 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff. Algae levels (chlorophyll-a) measure 4.8 µg/L — low and well within safe swimming guidelines.