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LakeQuality

Is Posey Lake Safe for Swimming?

Posey Lake in Lenawee County, Wisconsin has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 4.5 ft visibility. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeD (Poor)
Water Clarity (Secchi Depth)4.5 ft
LocationLenawee County, Wisconsin

How does Posey Lake compare?

With an overall water quality grade of D, Posey Lake falls below the Wisconsin state average of Grade B. It ranks #8 of 8 lakes in Lenawee County by water quality score.

Water clarity (Secchi depth) sits at 4.5 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment.