Cleanest Lakes in Clay County, Illinois
Patterson Lake in Clay County leads the rankings on measured clarity and nutrients. Below are the top 3 cleanest monitored lakes in Clay County, Illinois, ranked on EPA nutrient and algae measurements.
Ranked List
| # | Lake | County | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|
| 1 | Patterson Lake | Clay | - | - | - |
| 2 | Greendale Lake | Clay | - | - | - |
| 3 | Salt Pond | Clay | - | - | - |
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