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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 ft visibility. Phosphorus: 27 µg/L. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeB (Good)
Water Clarity (Secchi Depth)9 ft
Phosphorus27 μg/L
Maximum Depth52 ft
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 B. It ranks #23 of 34 lakes in Walworth County by water quality score.

Water clarity (Secchi depth) sits at 9 feet. That puts the lake in good clarity range, with limited algae interference.