Cleanest Lakes in Harrison County, Iowa
Willow Lake in Harrison County leads the rankings with a water quality grade of C and 4.8 ft of clarity. Below are the top 2 cleanest monitored lakes in Harrison County, Iowa, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Willow Lake | Harrison | C | 4.8 ft | - | 9.5 µg/L |
| 2 | Desoto Bend Lake | Harrison | F | 1 ft | - | 93.4 µg/L |