Is Lake Diane South Basin; Amboy Township Safe for Swimming?
Lake Diane South Basin; Amboy Township in Hillsdale County, Wisconsin has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 2.5 ft visibility. Chlorophyll-a (algae): 29 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | D (Poor) |
| Water Clarity (Secchi Depth) | 2.5 ft |
| Chlorophyll-a (Algae) | 29 μg/L |
| Location | Hillsdale County, Wisconsin |
How does Lake Diane South Basin; Amboy Township compare?
With an overall water quality grade of D, Lake Diane South Basin; Amboy Township falls below the Wisconsin state average of Grade B. It ranks #5 of 7 lakes in Hillsdale County by water quality score.
Water clarity (Secchi depth) sits at 2.5 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff. Algae levels (chlorophyll-a) measure 29 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.