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LakeQuality

Is Willow Lake Safe for Swimming?

Willow Lake in Oneida County, Wisconsin has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 13.1 ft visibility. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeB (Good)
Water Clarity (Secchi Depth)13.1 ft
LocationOneida County, Wisconsin

How does Willow Lake compare?

With an overall water quality grade of B, Willow Lake matches or beats the Wisconsin state average of Grade B. It ranks #111 of 140 lakes in Oneida County by water quality score.

Water clarity (Secchi depth) sits at 13.1 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.