Cleanest Lakes in Lyon County, Minnesota
Island Lake in Lyon County leads the rankings with a water quality grade of F and 2 ft of clarity. Below are the top 3 cleanest monitored lakes in Lyon County, Minnesota, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Island Lake | Lyon | F | 2 ft | 123 µg/L | - |
| 2 | Cottonwood Lake | Lyon | F | 1.8 ft | 186 µg/L | - |
| 3 | Brown Marsh Lake | Lyon | F | 1.6 ft | 98 µg/L | - |