Cleanest Lakes in Monroe County, Illinois
Waterloo New Reservoir in Monroe County leads the rankings on measured clarity and nutrients. Below are the top 2 cleanest monitored lakes in Monroe County, Illinois, ranked on EPA nutrient and algae measurements.
Ranked List
| # | Lake | County | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|
| 1 | Waterloo New Reservoir | Monroe | - | - | - |
| 2 | Moredock Lake | Monroe | - | - | - |
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