Skip to main content
LakeQuality

Is Timm Lake Safe for Swimming?

Timm Lake in Yellow Medicine County, Minnesota has a water quality grade of F (Very Poor). Avoid swimming, very poor water quality, potential algae toxins. Water clarity: 2 ft visibility. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeF (Very Poor)
Water Clarity (Secchi Depth)2 ft
LocationYellow Medicine County, Minnesota

How does Timm Lake compare?

With an overall water quality grade of F, Timm Lake falls below the Minnesota state average of Grade C. It ranks #5 of 5 lakes in Yellow Medicine County by water quality score.

Water clarity (Secchi depth) sits at 2 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff.