Is Aspen Lake Along Southern Arm Safe for Swimming?
Aspen Lake Along Southern Arm in Warren County, Wisconsin has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Water clarity: 3.8 ft visibility. Phosphorus: 20.8 µg/L. Chlorophyll-a (algae): 5.3 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 3.8 ft |
| Phosphorus | 20.8 μg/L |
| Chlorophyll-a (Algae) | 5.3 μg/L |
| Location | Warren County, Wisconsin |
How does Aspen Lake Along Southern Arm compare?
With an overall water quality grade of C, Aspen Lake Along Southern Arm matches or beats the Wisconsin state average of Grade C. It ranks #8 of 16 lakes in Warren County by water quality score.
Water clarity (Secchi depth) sits at 3.8 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 5.3 µg/L — low and well within safe swimming guidelines.