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LakeQuality

Is Blue Grass Lake Safe for Swimming?

Blue Grass Lake in Scott County, Wisconsin has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Water clarity: 4.5 ft visibility. Chlorophyll-a (algae): 12.7 µg/L. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeC (Fair)
Water Clarity (Secchi Depth)4.5 ft
Chlorophyll-a (Algae)12.7 μg/L
LocationScott County, Wisconsin

How does Blue Grass Lake compare?

With an overall water quality grade of C, Blue Grass Lake matches or beats the Wisconsin state average of Grade D. It ranks #4 of 5 lakes in Scott 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. Algae levels (chlorophyll-a) measure 12.7 µg/L — moderate; acceptable for swimming on most days, but worth checking advisories.