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LakeQuality

Is Chippewa Flowage -Winter Dam Lake Safe for Swimming?

Chippewa Flowage -Winter Dam Lake in Sawyer County, Wisconsin has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Water clarity: 4.4 ft visibility. Phosphorus: 49 µg/L. Chlorophyll-a (algae): 6.4 µg/L. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeC (Fair)
Water Clarity (Secchi Depth)4.4 ft
Phosphorus49 μg/L
Chlorophyll-a (Algae)6.4 μg/L
LocationSawyer County, Wisconsin

How does Chippewa Flowage -Winter Dam Lake compare?

With an overall water quality grade of C, Chippewa Flowage -Winter Dam Lake matches or beats the Wisconsin state average of Grade C. It ranks #44 of 50 lakes in Sawyer County by water quality score.

Water clarity (Secchi depth) sits at 4.4 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 6.4 µg/L — low and well within safe swimming guidelines.