Cleanest Lakes in Iron County, Wisconsin
Charnley Lake in Iron County leads the rankings with a water quality grade of A and 13.5 ft of clarity. Below are the top 17 cleanest monitored lakes in Iron County, Wisconsin, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Charnley Lake | Iron | A | 13.5 ft | 11 µg/L | - |
| 2 | Wilson Lake | Iron | A | 11 ft | 14.1 µg/L | - |
| 3 | Grand Portage Lake | Iron | A | 11.7 ft | 12.3 µg/L | - |
| 4 | Mercer Lake | Iron | A | 12 ft | 16.5 µg/L | - |
| 5 | Cedar Lake | Iron | B | 7.5 ft | 18.3 µg/L | - |
| 6 | Spider Lake | Iron | B | 8.5 ft | 14.1 µg/L | - |
| 7 | Little Pine Lake | Iron | B | 7.4 ft | 13.3 µg/L | - |
| 8 | Lake Dorothy | Iron | B | 7.9 ft | 16.9 µg/L | - |
| 9 | Fisher Lake | Iron | B | 7 ft | 16.7 µg/L | - |
| 10 | Saxon Fall Flowage Lake | Iron | B | 26.2 ft | 42.6 µg/L | - |
| 11 | Turtle Flambeau Flowage Lake | Iron | B | 6 ft | 19.7 µg/L | - |
| 12 | Lake of the Falls | Iron | B | 5.2 ft | 19.6 µg/L | - |
| 13 | Echo Lake | Iron | B | 6 ft | 19.3 µg/L | - |
| 14 | Pine Lake | Iron | B | 6 ft | 17.8 µg/L | - |
| 15 | Rice Lake | Iron | C | 5 ft | 22.5 µg/L | - |
| 16 | First Black Lake | Iron | C | 2.5 ft | 27.5 µg/L | - |
| 17 | Gile Flowage Lake | Iron | C | 4.5 ft | 30.6 µg/L | - |