Is Lake Macbride Safe for Swimming?
Lake Macbride in Johnson County, Wisconsin has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 2.9 ft visibility. Chlorophyll-a (algae): 28.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | D (Poor) |
| Water Clarity (Secchi Depth) | 2.9 ft |
| Chlorophyll-a (Algae) | 28.5 μg/L |
| Location | Johnson County, Wisconsin |
How does Lake Macbride compare?
With an overall water quality grade of D, Lake Macbride matches or beats the Wisconsin state average of Grade D. It ranks #2 of 3 lakes in Johnson County by water quality score.
Water clarity (Secchi depth) sits at 2.9 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff. Algae levels (chlorophyll-a) measure 28.5 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.