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LakeQuality

Is Otisco Lake Safe for Swimming?

Otisco Lake in Onondaga County, Wisconsin has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 5.2 ft visibility. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeD (Poor)
Water Clarity (Secchi Depth)5.2 ft
LocationOnondaga County, Wisconsin

How does Otisco Lake compare?

With an overall water quality grade of D, Otisco Lake falls below the Wisconsin state average of Grade B. It ranks #3 of 4 lakes in Onondaga County by water quality score.

Water clarity (Secchi depth) sits at 5.2 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment.