Cleanest Lakes in Central Ontario County, Ontario
Four Mile Lake in Central Ontario County leads the rankings with a water quality grade of A and 21.3 ft of clarity. Below are the 19 cleanest monitored lakes in Central Ontario County, Ontario, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Four Mile Lake | Central Ontario | A | 21.3 ft | 5.9 µg/L | - |
| 2 | Oak Lake | Central Ontario | A | 17.1 ft | 13.3 µg/L | - |
| 3 | Young Lake | Central Ontario | A | 20.3 ft | 9.9 µg/L | - |
| 4 | Balsam Lake | Central Ontario | A | 14.1 ft | 11.3 µg/L | - |
| 5 | Cameron Lake | Central Ontario | A | 11.8 ft | 10.1 µg/L | - |
| 6 | Crego Lake | Central Ontario | A | 11.8 ft | 8.8 µg/L | - |
| 7 | Logan Lake | Central Ontario | A | 10.5 ft | 8.7 µg/L | - |
| 8 | Rush Lake | Central Ontario | A | 11.2 ft | 8.9 µg/L | - |
| 9 | Shadow Lake | Central Ontario | A | 13.8 ft | 6.3 µg/L | - |
| 10 | Silver Lake | Central Ontario | A | 12.3 ft | 7.5 µg/L | - |
| 11 | Head Lake | Central Ontario | B | 9.8 ft | 11.4 µg/L | - |
| 12 | Sturgeon Lake | Central Ontario | B | 9.5 ft | 16.1 µg/L | - |
| 13 | Canal Lake | Central Ontario | B | 6.6 ft | 18.8 µg/L | - |
| 14 | Cranberry Lake | Central Ontario | B | 6.2 ft | 17 µg/L | - |
| 15 | Dalrymple Lake | Central Ontario | B | 6.4 ft | 15.8 µg/L | - |
| 16 | Mitchell Lake | Central Ontario | B | 7.1 ft | 21.9 µg/L | - |
| 17 | Pigeon River Lake | Central Ontario | B | 6.9 ft | 22.9 µg/L | - |
| 18 | Emily Lake | Central Ontario | C | 9.5 ft | 30.4 µg/L | - |
| 19 | Scugog Lake | Central Ontario | C | 3.1 ft | 20.9 µg/L | - |