Cleanest Lakes in Benton County, Iowa
Hannen Lake in Benton County leads the rankings with a water quality grade of F and 1.2 ft of clarity. Below are the top 2 cleanest monitored lakes in Benton County, Iowa, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Hannen Lake | Benton | F | 1.2 ft | - | 119.9 µg/L |
| 2 | Rodgers Lake | Benton | F | 2.6 ft | - | 44.5 µg/L |