Skip to main content
LakeQuality

Is Dead Colt Creek Dam Lake Safe for Swimming?

Dead Colt Creek Dam Lake in Ransom County, Wisconsin has a water quality grade of F (Very Poor). Avoid swimming, very poor water quality, potential algae toxins. Water clarity: 3.3 ft visibility. Chlorophyll-a (algae): 32.3 µg/L. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeF (Very Poor)
Water Clarity (Secchi Depth)3.3 ft
Chlorophyll-a (Algae)32.3 μg/L
LocationRansom County, Wisconsin

How does Dead Colt Creek Dam Lake compare?

With an overall water quality grade of F, Dead Colt Creek Dam Lake falls below the Wisconsin state average of Grade C. It ranks #1 of 1 lakes in Ransom County by water quality score.

Water clarity (Secchi depth) sits at 3.3 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 32.3 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.