Cleanest Lakes in Des Moines County, Iowa
Big Hollow Lake in Des Moines 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 Des Moines County, Iowa, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Big Hollow Lake | Des Moines | F | 1.8 ft | - | 46 µg/L |
| 2 | Lake Geode | Des Moines | F | 2.1 ft | - | 30.5 µg/L |