Cleanest Lakes in Hamilton County, Iowa
Briggs Woods Lake in Hamilton County leads the rankings with a water quality grade of F and 1.5 ft of clarity. Below are the top 2 cleanest monitored lakes in Hamilton County, Iowa, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Briggs Woods Lake | Hamilton | F | 1.5 ft | - | 59.1 µg/L |
| 2 | Little Wall Lake | Hamilton | F | 0.7 ft | - | 76.6 µg/L |