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LakeQuality

Is Hat Rapids Flowage Lake Safe for Swimming?

Hat Rapids Flowage Lake in Oneida County, Wisconsin has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 3.5 ft visibility. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeD (Poor)
Water Clarity (Secchi Depth)3.5 ft
LocationOneida County, Wisconsin

How does Hat Rapids Flowage Lake compare?

With an overall water quality grade of D, Hat Rapids Flowage Lake falls below the Wisconsin state average of Grade C. It ranks #105 of 134 lakes in Oneida County by water quality score.

Water clarity (Secchi depth) sits at 3.5 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment.