C
Todd County Lake Quality
Minnesota — 21 lakes, average grade C (Fair)
All Lakes in Todd County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Mons Lake | A | 4.7m | 11 µg/L |
| 2 | Little Birch Lake | A | 4.27m | 18 µg/L |
| 3 | Big Birch Lake | B | 3.96m | 23.5 µg/L |
| 4 | Horseshoe Lake | B | 3.05m | — |
| 5 | Long Lake | B | 3.05m | 25 µg/L |
| 6 | Long Lake | B | 4.42m | — |
| 7 | Turtle Lake | B | 3.66m | — |
| 8 | Fairy Lake | B | 4.34m | — |
| 9 | Long Lake | B | 3.73m | — |
| 10 | Pine Island Lake | B | 4.42m | — |
| 11 | Big Birch Lake | B | 3.66m | 30.5 µg/L |
| 12 | Osakis Lake | B | 4.81m | 75 µg/L |
| 13 | Big Swan Lake | C | 2.72m | — |
| 14 | Moose Lake | C | 2.12m | — |
| 15 | Sauk Lake | C | 2.07m | 42.5 µg/L |
| 16 | Beauty Lake | C | 2.13m | — |
| 17 | Osakis Lake | C | 3.05m | 78.5 µg/L |
| 18 | Maple Lake | C | 1.83m | 51 µg/L |
| 19 | Latimer Lake | C | 1.51m | 58.5 µg/L |
| 20 | Little Sauk Lake | D | 1.2m | 72 µg/L |
| 21 | Guernsey Lake | D | 0.8m | 68 µg/L |