Timiskaming District County Lake Quality
Ontario, 88 lakes, average grade B (Good)
Timiskaming District County has 88 graded lakes, enough that within-county variation matters as much as the county average. Some are deep glacial basins, others are shallow agricultural-watershed waters, and the grade distribution reflects that mix. The county-wide average lands at B — solid water quality with most lakes carrying clear summer transparency and low-to-moderate phosphorus.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Fairy Lake (A); the most-stressed is Skeleton Lake (D).
Quick Answers for Timiskaming District County
Planning a trip? Check special fishing regulations for Fairy Lake — or check the official Ontario fishing regulations.
All Lakes in Timiskaming District County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Fairy Lake | A | 18 ft | 7.9 µg/L |
| 2 | Hammond Lake | A | 15.7 ft | 5.7 µg/L |
| 3 | Keefer Lake | A | 15.6 ft | 5 µg/L |
| 4 | Nettie Lake | A | 21.3 ft | 4.4 µg/L |
| 5 | Swan Lake | A | - | 18.6 µg/L |
| 6 | Anima Nipissing Lake | A | 19.7 ft | 2.8 µg/L |
| 7 | Austen Lake | A | - | 8.4 µg/L |
| 8 | Barter Lake | A | - | 5.9 µg/L |
| 9 | Bay Lake | A | - | 7.3 µg/L |
| 10 | Beauty Lake | A | - | 10.1 µg/L |
| 11 | Benson Lake | A | - | 11.4 µg/L |
| 12 | Crystal Lake | A | - | 5.5 µg/L |
| 13 | Greenwater Lake | A | - | 7.3 µg/L |
| 14 | Gull Lake | A | - | 11.3 µg/L |
| 15 | Howard Lake | A | - | 12.5 µg/L |
| 16 | Mcarthur Lake | A | - | 6.6 µg/L |
| 17 | Mcgiffin Lake | A | - | 5.3 µg/L |
| 18 | Munroe Lake | A | - | 4.9 µg/L |
| 19 | Otto Lake | A | - | 15.4 µg/L |
| 20 | Papakomeka Lake | A | - | 9.4 µg/L |
| 21 | Scott Lakes | A | - | 12.3 µg/L |
| 22 | Smith Lake | A | - | 4 µg/L |
| 23 | South Bear Lake | A | - | 5.2 µg/L |
| 24 | Wolf Lake | A | - | 8.8 µg/L |
| 25 | Okinada Lake | A | 17.4 ft | 5.2 µg/L |
| 26 | Smoothwater Lake | A | 16.4 ft | 2.6 µg/L |
| 27 | Bartle Lake | A | 13.8 ft | 9.5 µg/L |
| 28 | Bass Lake | A | 14.8 ft | 6.3 µg/L |
| 29 | Gillies Lake | A | 11.5 ft | 6.1 µg/L |
| 30 | Loon Lake | A | 12.3 ft | 6.9 µg/L |
| 31 | Sharp Lake | A | 13.1 ft | 7.6 µg/L |
| 32 | St Anthony Lake | A | 10.5 ft | 8.5 µg/L |
| 33 | Carmen Lake | A | 10.8 ft | 8.7 µg/L |
| 34 | Kenogamissi Lake | A | 11.5 ft | 9.8 µg/L |
| 35 | Kittson Lake | A | 10.8 ft | 6.2 µg/L |
| 36 | Lloyd Lake | A | 10.8 ft | 6.4 µg/L |
| 37 | Midlothian Lake | A | 11.5 ft | 7.9 µg/L |
| 38 | Miller Lake | A | 10.2 ft | 8.8 µg/L |
| 39 | Radisson Lake | A | 13.5 ft | 4.9 µg/L |
| 40 | Argyle Lake | B | 7.5 ft | 8.2 µg/L |
| 41 | Bear Lake | B | 7.9 ft | 9.3 µg/L |
| 42 | Burt Lake | B | 6.9 ft | 8.5 µg/L |
| 43 | Firth Lake | B | 9.2 ft | 7.1 µg/L |
| 44 | Gowganda Lake | B | 8.9 ft | 7.7 µg/L |
| 45 | Holmes Lake | B | 6.9 ft | 7.8 µg/L |
| 46 | Hotchkin Lake Little Kenogami) | B | 8.5 ft | 14.4 µg/L |
| 47 | Hubert Lake | B | 7.9 ft | 9.7 µg/L |
| 48 | Larder Lake | B | 9.7 ft | 9.4 µg/L |
| 49 | Longpoint Lake | B | 7.9 ft | 8.1 µg/L |
| 50 | Lost Lake | B | 7.7 ft | 11.8 µg/L |
| 51 | Marceau Lake | B | 9.2 ft | 10.1 µg/L |
| 52 | Middleton Lake | B | 6.9 ft | 8.7 µg/L |
| 53 | Pharand Lake | B | 6.9 ft | 11 µg/L |
| 54 | Splitrock Lake | B | 6.9 ft | 13.4 µg/L |
| 55 | Victoria Lake | B | 7.2 ft | 9.6 µg/L |
| 56 | Raven Lake | B | 7.9 ft | 7.4 µg/L |
| 57 | Banner Lake | B | 7.2 ft | 7.6 µg/L |
| 58 | Duncan Lake | B | 7.2 ft | 10.1 µg/L |
| 59 | Island Lake | B | 9 ft | 6.1 µg/L |
| 60 | Lulu Lake | B | 7.5 ft | 4.8 µg/L |
| 61 | Makobe Lake | B | 12.1 ft | - |
| 62 | Mistinikon Lake | B | 9.4 ft | 10.3 µg/L |
| 63 | Mountain Lake | B | 12.5 ft | - |
| 64 | Shack Lake | B | 6.9 ft | 9.5 µg/L |
| 65 | Shillington Lake | B | 7.5 ft | 8.9 µg/L |
| 66 | Sisseney Lake | B | 7.9 ft | 5.8 µg/L |
| 67 | St. Anthony Lake | B | 9.7 ft | 7.6 µg/L |
| 68 | Willow Island Lake | B | 9.5 ft | 5.5 µg/L |
| 69 | Barber Lake | B | 5.2 ft | 17 µg/L |
| 70 | Goodfish Lake | B | 5.6 ft | 13.4 µg/L |
| 71 | Kenogami Lake | B | 5.9 ft | 16.2 µg/L |
| 72 | Kenogamissi Lake | B | 6.2 ft | 9.6 µg/L |
| 73 | Long Lake | B | 3.9 ft | 14.6 µg/L |
| 74 | Mctavish Lake | B | 6.2 ft | 12.1 µg/L |
| 75 | Murr Lake | B | 5.9 ft | 9.7 µg/L |
| 76 | Pike Lake | B | 4.9 ft | 12.2 µg/L |
| 77 | Sesekinika Lake | B | 4.9 ft | 16.1 µg/L |
| 78 | Watabeag Lake | B | 6.6 ft | 6.9 µg/L |
| 79 | Currie Lake | B | 6.6 ft | 6.7 µg/L |
| 80 | Hawley Lake | B | 5.6 ft | 7.4 µg/L |
| 81 | Mattachewan Lake | B | 5.6 ft | 10.5 µg/L |
| 82 | Round Lake | C | 5.6 ft | 20.3 µg/L |
| 83 | Anvil Lake | C | 9.5 ft | - |
| 84 | Labyrinth Lake | C | 5.9 ft | 23.9 µg/L |
| 85 | Lady Evelyn Lake | C | 8.9 ft | - |
| 86 | Timiskaming Lake | C | 2.6 ft | 25.8 µg/L |
| 87 | Timiskaming Lake | C | 2.3 ft | 24.8 µg/L |
| 88 | Skeleton Lake | D | 2 ft | 33 µg/L |
Other Counties in Ontario
See how Timiskaming District County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 38 states.
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Source: EPA National Aquatic Resource Surveys, 2026.