Cleanest Lakes in Madison County, Illinois
Holiday Shores Lake in Madison County leads the rankings with a water quality grade of F and 1.7 ft of clarity. Below are the top 2 cleanest monitored lakes in Madison County, Illinois, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Holiday Shores Lake | Madison | F | 1.7 ft | 126.5 µg/L | - |
| 2 | Highland Silver Lake | Madison | F | 1.3 ft | 93.5 µg/L | - |