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LakeQuality

Is Delavan Lake Safe for Swimming?

Delavan Lake in Walworth County, Wisconsin has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 9.3 ft visibility. Phosphorus: 26.5 µg/L. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeB (Good)
Water Clarity (Secchi Depth)9.3 ft
Phosphorus26.5 μg/L
LocationWalworth County, Wisconsin

How does Delavan Lake compare?

With an overall water quality grade of B, Delavan Lake matches or beats the Wisconsin state average of Grade C. It ranks #15 of 34 lakes in Walworth County by water quality score.

Water clarity (Secchi depth) sits at 9.3 feet. That puts the lake in good clarity range, with limited algae interference.