Cleanest Lakes in Montgomery County, Illinois
Glenn Shoals Lake in Montgomery County leads the rankings with a water quality grade of F and 1 ft of clarity. Below are the top 2 cleanest monitored lakes in Montgomery County, Illinois, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Glenn Shoals Lake | Montgomery | F | 1 ft | 91 µg/L | - |
| 2 | Lou Yaeger Lake | Montgomery | F | 1.8 ft | 217 µg/L | - |