Is Lincoln Lake Safe for Swimming?
Lincoln Lake in Lincoln County, Wisconsin has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 5.7 ft visibility. Phosphorus: 12.7 µg/L. Chlorophyll-a (algae): 3.7 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 5.7 ft |
| Phosphorus | 12.7 μg/L |
| Chlorophyll-a (Algae) | 3.7 μg/L |
| Location | Lincoln County, Wisconsin |
How does Lincoln Lake compare?
With an overall water quality grade of B, Lincoln Lake matches or beats the Wisconsin state average of Grade C. It ranks #1 of 2 lakes in Lincoln County by water quality score.
Water clarity (Secchi depth) sits at 5.7 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 3.7 µg/L — low and well within safe swimming guidelines.