Cleanest Lakes in Shelby County, Iowa
Manteno Lake in Shelby County leads the rankings with a water quality grade of D and 2.7 ft of clarity. Below are the top 2 cleanest monitored lakes in Shelby County, Iowa, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Manteno Lake | Shelby | D | 2.7 ft | - | 28.3 µg/L |
| 2 | Prairie Rose Lake | Shelby | F | 1.6 ft | - | 73.6 µg/L |