Cleanest Lakes in Washburn County, Wisconsin
Bass Lake in Washburn County leads the rankings with a water quality grade of A and 16 ft of clarity. Below are the top 27 cleanest monitored lakes in Washburn County, Wisconsin, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Bass Lake | Washburn | A | 16 ft | 12.3 µg/L | - |
| 2 | Stone Lake | Washburn | A | 23 ft | 10.8 µg/L | - |
| 3 | Shell Lake | Washburn | A | 16 ft | 15.2 µg/L | - |
| 4 | Tozer Lake | Washburn | A | 16 ft | 13.2 µg/L | - |
| 5 | Middle Kimball Lake | Washburn | A | 16 ft | 13.1 µg/L | - |
| 6 | Slim Lake | Washburn | A | 15.7 ft | 13.6 µg/L | - |
| 7 | Lower Mckenzie Lake | Washburn | A | 11 ft | 18.8 µg/L | - |
| 8 | Bean Lake | Washburn | A | 10 ft | 16.2 µg/L | - |
| 9 | Horseshoe Lake | Washburn | A | 13 ft | 12.6 µg/L | - |
| 10 | Matthews Lake | Washburn | A | 13.5 ft | 13.7 µg/L | - |
| 11 | Lake Nancy | Washburn | A | 14 ft | 13.5 µg/L | - |
| 12 | South Twin Lake | Washburn | A | 14 ft | 11 µg/L | - |
| 13 | Gilmore Lake | Washburn | A | 10 ft | 16.3 µg/L | - |
| 14 | Big Mckenzie Lake | Washburn | A | 10 ft | 17 µg/L | - |
| 15 | Balsam Lake | Washburn | B | 8.8 ft | 19.3 µg/L | - |
| 16 | Deep Lake | Washburn | B | 7.5 ft | 16.5 µg/L | - |
| 17 | Long Lake | Washburn | B | 9.5 ft | 17.5 µg/L | - |
| 18 | North Twin Lake | Washburn | B | 9 ft | 13.7 µg/L | - |
| 19 | Mclain Lake | Washburn | B | 9.5 ft | 14.2 µg/L | - |
| 20 | Upper Kimball Lake | Washburn | B | 10 ft | 20.4 µg/L | - |
| 21 | Yellow River Flowage Lake | Washburn | B | 10 ft | 23.1 µg/L | - |
| 22 | Lower Kimball Lake | Washburn | B | 6 ft | 18.5 µg/L | - |
| 23 | Birch Lake | Washburn | C | 5.5 ft | 27.6 µg/L | - |
| 24 | Potato Lake | Washburn | C | 9.5 ft | 33.2 µg/L | - |
| 25 | Spooner Lake | Washburn | C | 6.5 ft | 22.7 µg/L | - |
| 26 | Kekegama Lake | Washburn | C | 5.2 ft | 26.4 µg/L | - |
| 27 | Minong Flowage Lake | Washburn | C | 3.5 ft | 37.2 µg/L | - |