Is Rothwell Lake Safe for Swimming?
Rothwell Lake in Randolph County, Wisconsin has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Water clarity: 3.6 ft visibility. Phosphorus: 32 µg/L. Chlorophyll-a (algae): 14.2 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 3.6 ft |
| Phosphorus | 32 μg/L |
| Chlorophyll-a (Algae) | 14.2 μg/L |
| Location | Randolph County, Wisconsin |
How does Rothwell Lake compare?
With an overall water quality grade of C, Rothwell Lake matches or beats the Wisconsin state average of Grade C. It ranks #2 of 7 lakes in Randolph County by water quality score.
Water clarity (Secchi depth) sits at 3.6 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 14.2 µg/L — moderate; acceptable for swimming on most days, but worth checking advisories.