Cleanest Lakes in Jefferson County, Illinois
Superior Lake in Jefferson County leads the rankings on measured clarity and nutrients. Below are the top 6 cleanest monitored lakes in Jefferson County, Illinois, ranked on EPA nutrient and algae measurements.
Ranked List
| # | Lake | County | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|
| 1 | Superior Lake | Jefferson | - | - | - |
| 2 | Lake Jaycee | Jefferson | - | - | - |
| 3 | Miller Lake | Jefferson | - | - | - |
| 4 | Illinois Central Reservoir | Jefferson | - | - | - |
| 5 | East Lake Impoundment | Jefferson | - | - | - |
| 6 | Raw Water Reservoir | Jefferson | - | - | - |
More Answers for Jefferson County, Illinois
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