Is Otter Creek Lake Safe for Swimming?
Otter Creek Lake in Tama County, Wisconsin has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 1.3 ft visibility. Chlorophyll-a (algae): 24 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | D (Poor) |
| Water Clarity (Secchi Depth) | 1.3 ft |
| Chlorophyll-a (Algae) | 24 μg/L |
| Location | Tama County, Wisconsin |
How does Otter Creek Lake compare?
With an overall water quality grade of D, Otter Creek Lake matches or beats the Wisconsin state average of Grade D. It ranks #1 of 3 lakes in Tama County by water quality score.
Water clarity (Secchi depth) sits at 1.3 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff. Algae levels (chlorophyll-a) measure 24 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.