Cleanest Lakes in Lanark County, Ontario
Christie Lake in Lanark County leads the rankings with a water quality grade of A and 15.1 ft of clarity. Below are the 25 cleanest monitored lakes in Lanark County, Ontario, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Christie Lake | Lanark | A | 15.1 ft | 9.5 µg/L | - |
| 2 | Davern Lake | Lanark | A | 17.1 ft | 7.8 µg/L | - |
| 3 | Farren Lake | Lanark | A | 19 ft | 10.5 µg/L | - |
| 4 | Obrien Lake | Lanark | A | 16.2 ft | 8.8 µg/L | - |
| 5 | Otty Lake | Lanark | A | 16.4 ft | 13.3 µg/L | - |
| 6 | Patterson Lake | Lanark | A | 17.4 ft | 9.9 µg/L | - |
| 7 | Pike Lake | Lanark | A | 15.4 ft | 11.1 µg/L | - |
| 8 | Robert'S Lake | Lanark | A | 15.3 ft | 9 µg/L | - |
| 9 | Robertson Lake | Lanark | A | 27.9 ft | 10.8 µg/L | - |
| 10 | Farrell Lake | Lanark | A | 20.7 ft | 7.9 µg/L | - |
| 11 | Adam'S Lake | Lanark | A | 14.1 ft | 13.2 µg/L | - |
| 12 | Bennett Lake | Lanark | A | 11.5 ft | 9.3 µg/L | - |
| 13 | Izatt Lake | Lanark | A | 10.2 ft | 13.6 µg/L | - |
| 14 | Little Silver Lake | Lanark | A | 14.8 ft | 8.3 µg/L | - |
| 15 | Long Lake | Lanark | A | 13.5 ft | 8.8 µg/L | - |
| 16 | Lower Rideau Lake | Lanark | A | 14.8 ft | 16.4 µg/L | - |
| 17 | Mclaren Lake | Lanark | A | 10.2 ft | 16.1 µg/L | - |
| 18 | Mississippi Lake | Lanark | A | 11.2 ft | 12.5 µg/L | - |
| 19 | Rock Lake | Lanark | A | 11.5 ft | 8.4 µg/L | - |
| 20 | Round Lake | Lanark | A | 12 ft | 10 µg/L | - |
| 21 | White Lake | Lanark | A | 10.5 ft | 10.4 µg/L | - |
| 22 | Dalhousie Lake | Lanark | A | 11.2 ft | 9.2 µg/L | - |
| 23 | Murray Lake | Lanark | B | 7.9 ft | 8.6 µg/L | - |
| 24 | Rainbow Lake | Lanark | B | 9.2 ft | 13.8 µg/L | - |
| 25 | Bowley Lake | Lanark | C | 4.4 ft | 27.5 µg/L | - |