Cleanest Lakes in DuPage County, Illinois
Poss Lake in DuPage County leads the rankings with a water quality grade of D and 1.2 ft of clarity. Below are the top 1 cleanest monitored lakes in DuPage County, Illinois, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Poss Lake | DuPage | D | 1.2 ft | 32 µg/L | - |