Cleanest Lakes in Pope County, Illinois
One Horse Gap Lake in Pope County leads the rankings with a water quality grade of B and 4 ft of clarity. Below are the top 2 cleanest monitored lakes in Pope County, Illinois, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | One Horse Gap Lake | Pope | B | 4 ft | 17 µg/L | - |
| 2 | Glendale Lake | Pope | B | 4.8 ft | 16 µg/L | - |