Is Lou Yaeger Lake Safe for Swimming?
Lou Yaeger Lake in Montgomery County, Illinois has a water quality grade of F (Algae-prone). Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom. Water clarity: 1.8 ft visibility. Phosphorus: 255 µg/L. Chlorophyll-a (algae): 72.6 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | F (Algae-prone) |
| Water Clarity (Secchi Depth) | 1.8 ft |
| Phosphorus | 255 μg/L |
| Chlorophyll-a (Algae) | 72.6 μg/L |
| Location | Montgomery County, Illinois |
How does Lou Yaeger Lake compare?
With an overall water quality grade of F, Lou Yaeger Lake falls below the Illinois state average of Grade D. It ranks #2 of 2 lakes in Montgomery County by water quality score.
Water clarity (Secchi depth) sits at 1.8 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff. Algae levels (chlorophyll-a) measure 72.6 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.
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