Is Lou Yaeger Lake Safe for Swimming?
Lou Yaeger Lake in Montgomery County, Illinois has nutrient and algae measurements on record from state and federal monitoring. Chlorophyll-a in the monitoring record runs high enough that algae is a factor. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim.. 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 |
|---|---|
| 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?
On nutrient and algae readings, Lou Yaeger Lake runs above the Illinois state average. It ranks #2 of 2 lakes in Montgomery County on nutrient and algae readings.
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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