Is Lake of Egypt Safe for Swimming?
Lake of Egypt in Williamson County, Illinois has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Water clarity: 3.2 ft visibility. Phosphorus: 26 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 3.2 ft |
| Phosphorus | 26 μg/L |
| Location | Williamson County, Illinois |
How does Lake of Egypt compare?
With an overall water quality grade of C, Lake of Egypt matches or beats the Illinois state average of Grade D. It ranks #1 of 1 lakes in Williamson County by water quality score.
Water clarity (Secchi depth) sits at 3.2 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment.