Is Union Grove Lake Safe for Swimming?
Union Grove Lake in Tama County, Wisconsin has a water quality grade of F (Very Poor). Avoid swimming, very poor water quality, potential algae toxins. Water clarity: 1.6 ft visibility. Chlorophyll-a (algae): 88.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | F (Very Poor) |
| Water Clarity (Secchi Depth) | 1.6 ft |
| Chlorophyll-a (Algae) | 88.5 μg/L |
| Location | Tama County, Wisconsin |
How does Union Grove Lake compare?
With an overall water quality grade of F, Union Grove Lake falls below the Wisconsin state average of Grade D. It ranks #2 of 3 lakes in Tama County by water quality score.
Water clarity (Secchi depth) sits at 1.6 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff. Algae levels (chlorophyll-a) measure 88.5 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.