Cleanest Lakes in Rock Island County, Illinois
George Lake in Rock Island County leads the rankings with a water quality grade of C and 4.2 ft of clarity. Below are the top 1 cleanest monitored lakes in Rock Island County, Illinois, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | George Lake | Rock Island | C | 4.2 ft | 22.5 µg/L | - |