Is Cedar Lake Safe for Swimming?
Cedar Lake in Linn County, Wisconsin has a water quality grade of F (Very Poor). Avoid swimming, very poor water quality, potential algae toxins. Water clarity: 0.9 ft visibility. Chlorophyll-a (algae): 129 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | F (Very Poor) |
| Water Clarity (Secchi Depth) | 0.9 ft |
| Chlorophyll-a (Algae) | 129 μg/L |
| Location | Linn County, Wisconsin |
How does Cedar Lake compare?
With an overall water quality grade of F, Cedar Lake falls below the Wisconsin state average of Grade D. It ranks #2 of 2 lakes in Linn County by water quality score.
Water clarity (Secchi depth) sits at 0.9 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff. Algae levels (chlorophyll-a) measure 129 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.