Cleanest Lakes in Clarke County, Iowa
West Lake Osceola in Clarke County leads the rankings with a water quality grade of D and 2.2 ft of clarity. Below are the top 2 cleanest monitored lakes in Clarke County, Iowa, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | West Lake Osceola | Clarke | D | 2.2 ft | - | 28.7 µg/L |
| 2 | East Lake Osceola | Clarke | F | 1.2 ft | - | 81.6 µg/L |