Cleanest Lakes in Cass County, Iowa
Cold Springs Lake in Cass County leads the rankings with a water quality grade of D and 4.8 ft of clarity. Below are the top 2 cleanest monitored lakes in Cass County, Iowa, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Cold Springs Lake | Cass | D | 4.8 ft | - | 21.6 µg/L |
| 2 | Lake Anita | Cass | F | 2.2 ft | - | 42.2 µg/L |