Cleanest Lakes in Madison County, Illinois
Highland Silver Lake in Madison County leads the rankings with a water quality grade of NR. Below are the top 8 cleanest monitored lakes in Madison County, Illinois, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Highland Silver Lake | Madison | NR | - | - | - |
| 2 | Dunlap Lake | Madison | NR | - | - | - |
| 3 | McDonough Lake | Madison | NR | - | - | - |
| 4 | Tower Lake | Madison | NR | - | - | - |
| 5 | Long Lake | Madison | NR | - | - | - |
| 6 | Long Lake | Madison | NR | - | - | - |
| 7 | Canteen Lake | Madison | NR | - | - | - |
| 8 | Horseshoe Lake | Madison | NR | - | - | - |
More Answers for Madison County, Illinois
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