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LakeQuality

Is Nepco Lake Safe for Swimming?

Nepco Lake in Wood County, Wisconsin has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Water clarity: 36.1 ft visibility. Phosphorus: 10.9 µg/L. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeA (Excellent)
Water Clarity (Secchi Depth)36.1 ft
Phosphorus10.9 μg/L
Maximum Depth29 ft
LocationWood County, Wisconsin

How does Nepco Lake compare?

With an overall water quality grade of A, Nepco Lake matches or beats the Wisconsin state average of Grade B. It ranks #1 of 4 lakes in Wood County by water quality score.

Water clarity (Secchi depth) sits at 36.1 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.