Cleanest Lakes in Clinton County, Illinois
Carlyle Lake in Clinton County leads the rankings with a water quality grade of F and 1.8 ft of clarity. Below are the top 1 cleanest monitored lakes in Clinton County, Illinois, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Carlyle Lake | Clinton | F | 1.8 ft | 200.5 µg/L | - |