Cleanest Lakes in Grey County, Ontario
Bass Lake in Grey County leads the rankings with a water quality grade of A and 12.5 ft of clarity. Below are the 11 cleanest monitored lakes in Grey County, Ontario, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Bass Lake | Grey | A | 12.5 ft | 5.3 µg/L | - |
| 2 | Brewster'S Lake | Grey | A | 13.8 ft | 9.2 µg/L | - |
| 3 | Mccullough Lake | Grey | A | 13.1 ft | 7.4 µg/L | - |
| 4 | North Louise Lake | Grey | A | 11.5 ft | 9.3 µg/L | - |
| 5 | Wilder Lake | Grey | A | 13 ft | 8.1 µg/L | - |
| 6 | Mountain Lake | Grey | A | 10.8 ft | 11.7 µg/L | - |
| 7 | Boyd Lake | Grey | B | 8.2 ft | 13.4 µg/L | - |
| 8 | Eugenia Lake | Grey | B | 9.8 ft | 8.3 µg/L | - |
| 9 | Francis Lake | Grey | B | 8.2 ft | 9 µg/L | - |
| 10 | Habermehl Lake | Grey | B | 9.5 ft | 11.9 µg/L | - |
| 11 | Williams Lake | Grey | B | 5.6 ft | 4.9 µg/L | - |