Cleanest Lakes in Douglas County, Wisconsin
Leader Lake in Douglas County leads the rankings with a water quality grade of A and 15.3 ft of clarity. Below are the top 14 cleanest monitored lakes in Douglas County, Wisconsin, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Leader Lake | Douglas | A | 15.3 ft | 9.5 µg/L | - |
| 2 | Whitefish Lake | Douglas | A | 24.5 ft | 11.4 µg/L | - |
| 3 | Whitefish Lake | Douglas | A | 25.3 ft | 9.4 µg/L | - |
| 4 | Bardon Lake | Douglas | A | 27 ft | 9.4 µg/L | - |
| 5 | Red Lake | Douglas | A | 12 ft | 12.5 µg/L | - |
| 6 | Saint Croix Flowage Lake | Douglas | B | 10.5 ft | 23.8 µg/L | - |
| 7 | Lake Nebagamon | Douglas | B | 7 ft | 17.7 µg/L | - |
| 8 | St Croix Flowage Lake | Douglas | B | 6.8 ft | 23.2 µg/L | - |
| 9 | Lake Minnesuing | Douglas | B | 6.2 ft | 16.2 µg/L | - |
| 10 | Person Lake | Douglas | B | 7.7 ft | 25.2 µg/L | - |
| 11 | Amnicon Lake | Douglas | C | 5 ft | 23.2 µg/L | - |
| 12 | Tozer Lake | Douglas | D | 3 ft | 38.2 µg/L | - |
| 13 | Dowling Lake | Douglas | D | 2.5 ft | 50 µg/L | - |
| 14 | Radigan Flowage Lake | Douglas | F | 2 ft | 94.9 µg/L | - |