Cleanest Lakes in Pottawattamie County, Iowa
Arrowhead Lake in Pottawattamie County leads the rankings with a water quality grade of F and 1.8 ft of clarity. Below are the top 2 cleanest monitored lakes in Pottawattamie County, Iowa, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Arrowhead Lake | Pottawattamie | F | 1.8 ft | - | 53.6 µg/L |
| 2 | Lake Manawa | Pottawattamie | F | 1 ft | - | 77 µg/L |