Cleanest Lakes in Sudbury District County, Ontario
Armstrong Lake in Sudbury District County leads the rankings with a water quality grade of A and 15.1 ft of clarity. Below are the 50 cleanest monitored lakes in Sudbury District County, Ontario, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Armstrong Lake | Sudbury District | A | 15.1 ft | 6.1 µg/L | - |
| 2 | Big Vermilion Lake | Sudbury District | A | 19.7 ft | 6.7 µg/L | - |
| 3 | Broder Lake | Sudbury District | A | 16.4 ft | 5 µg/L | - |
| 4 | Dixon Lake | Sudbury District | A | 19.7 ft | 4.7 µg/L | - |
| 5 | Ella Lake | Sudbury District | A | 16.9 ft | 11.8 µg/L | - |
| 6 | Fairbank Lake | Sudbury District | A | 23 ft | 4.9 µg/L | - |
| 7 | Frenchman Lake | Sudbury District | A | 22.1 ft | 6.9 µg/L | - |
| 8 | Hannah Lake | Sudbury District | A | 15.7 ft | 4.9 µg/L | - |
| 9 | Joe Lake | Sudbury District | A | 23 ft | 4.2 µg/L | - |
| 10 | Kukagami Lake | Sudbury District | A | 23.6 ft | 6.9 µg/L | - |
| 11 | Little Pogamasing Lake | Sudbury District | A | 18.4 ft | 6.5 µg/L | - |
| 12 | Lohi Lake | Sudbury District | A | 21.2 ft | 4.6 µg/L | - |
| 13 | Makada Lake | Sudbury District | A | 16.7 ft | 8.1 µg/L | - |
| 14 | Maple Lake | Sudbury District | A | 15.4 ft | 7.3 µg/L | - |
| 15 | Matagamasi Lake | Sudbury District | A | 20.8 ft | 4.4 µg/L | - |
| 16 | Nelson Lake | Sudbury District | A | 26.2 ft | 2.8 µg/L | - |
| 17 | Panache Lake | Sudbury District | A | 16.4 ft | 6.5 µg/L | - |
| 18 | Plunge Lake | Sudbury District | A | 16.7 ft | 6.1 µg/L | - |
| 19 | Raft Lake | Sudbury District | A | 21 ft | 5.3 µg/L | - |
| 20 | Tilton Lake | Sudbury District | A | 15.4 ft | 5.3 µg/L | - |
| 21 | Windy Lake | Sudbury District | A | 22.6 ft | 3.9 µg/L | - |
| 22 | Bear Lake | Sudbury District | A | 15.4 ft | 7.3 µg/L | - |
| 23 | Prune Lake | Sudbury District | A | 16.4 ft | 5.1 µg/L | - |
| 24 | Rawson Lake | Sudbury District | A | 17.4 ft | 4.7 µg/L | - |
| 25 | Avery Lake | Sudbury District | A | 18 ft | 4.6 µg/L | - |
| 26 | Borden Lake | Sudbury District | A | 18.7 ft | 6.4 µg/L | - |
| 27 | Chrysler Lake | Sudbury District | A | 19 ft | 9.5 µg/L | - |
| 28 | Chiniguchi Lake | Sudbury District | A | 20 ft | 3 µg/L | - |
| 29 | Dennie Lake | Sudbury District | A | 32.8 ft | 2.9 µg/L | - |
| 30 | Donald Lake | Sudbury District | A | 32.8 ft | 2.5 µg/L | - |
| 31 | Emerald Lake | Sudbury District | A | 32 ft | 2.7 µg/L | - |
| 32 | Green Lake | Sudbury District | A | 19 ft | 5.6 µg/L | - |
| 33 | Kettyle Lake | Sudbury District | A | 32.8 ft | 2.6 µg/L | - |
| 34 | Little Wawa Lake | Sudbury District | A | 16.8 ft | 14.7 µg/L | - |
| 35 | Regan Lake | Sudbury District | A | 24.6 ft | 3.3 µg/L | - |
| 36 | Wanapitei Lake | Sudbury District | A | 16.4 ft | 4 µg/L | - |
| 37 | Agnew Lake | Sudbury District | A | 11 ft | 6 µg/L | - |
| 38 | Carlyle Lake | Sudbury District | A | 12.3 ft | 5.7 µg/L | - |
| 39 | Edith Lake | Sudbury District | A | 15.1 ft | 26.2 µg/L | - |
| 40 | Geneva Lake | Sudbury District | A | 14.8 ft | 5.9 µg/L | - |
| 41 | Griffin Lake | Sudbury District | A | 14.8 ft | 10.1 µg/L | - |
| 42 | Hanmer Lake | Sudbury District | A | 14.8 ft | 8.9 µg/L | - |
| 43 | Hazen Lake | Sudbury District | A | 10.2 ft | 8.2 µg/L | - |
| 44 | Lang Lake | Sudbury District | A | 13.8 ft | 11.5 µg/L | - |
| 45 | Mcfarlane Lake | Sudbury District | A | 13.6 ft | 10.3 µg/L | - |
| 46 | Ministic Lake | Sudbury District | A | 13.5 ft | 10.8 µg/L | - |
| 47 | Nepahwin Lake | Sudbury District | A | 12.1 ft | 14.5 µg/L | - |
| 48 | Onaping Lake | Sudbury District | A | 11.8 ft | 5.6 µg/L | - |
| 49 | Portage Lake | Sudbury District | A | 14.8 ft | 17.4 µg/L | - |
| 50 | Ramsey Lake | Sudbury District | A | 13.1 ft | 8.3 µg/L | - |