Is Gmw-04 Lake Safe for Swimming?
Gmw-04 Lake in Fayette County, Wisconsin has a water quality grade of F (Very Poor). Avoid swimming, very poor water quality, potential algae toxins. Water clarity: 3.1 ft visibility. Chlorophyll-a (algae): 103.2 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | F (Very Poor) |
| Water Clarity (Secchi Depth) | 3.1 ft |
| Chlorophyll-a (Algae) | 103.2 μg/L |
| Location | Fayette County, Wisconsin |
How does Gmw-04 Lake compare?
With an overall water quality grade of F, Gmw-04 Lake falls below the Wisconsin state average of Grade D. It ranks #1 of 1 lakes in Fayette County by water quality score.
Water clarity (Secchi depth) sits at 3.1 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 103.2 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.