Cleanest Lakes in Guthrie County, Iowa
Springbrook Lake in Guthrie County leads the rankings with a water quality grade of D and 3 ft of clarity. Below are the top 1 cleanest monitored lakes in Guthrie County, Iowa, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Springbrook Lake | Guthrie | D | 3 ft | - | 22.9 µg/L |