Is Little Prairie Lake by Dam Safe for Swimming?
Little Prairie Lake by Dam in Phelps County, Wisconsin has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Water clarity: 4.9 ft visibility. Phosphorus: 24.5 µg/L. Chlorophyll-a (algae): 6.3 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 4.9 ft |
| Phosphorus | 24.5 μg/L |
| Chlorophyll-a (Algae) | 6.3 μg/L |
| Location | Phelps County, Wisconsin |
How does Little Prairie Lake by Dam compare?
With an overall water quality grade of C, Little Prairie Lake by Dam matches or beats the Wisconsin state average of Grade C. It ranks #1 of 3 lakes in Phelps County by water quality score.
Water clarity (Secchi depth) sits at 4.9 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 6.3 µg/L — low and well within safe swimming guidelines.