C
Mahnomen County Lake Quality
Minnesota — 17 lakes, average grade C (Fair)
All Lakes in Mahnomen County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Bass Lake | A | 3.55m | 10 µg/L |
| 2 | Mccraney Lake | A | 3.7m | 19 µg/L |
| 3 | South Twin Lake | A | 3.1m | 14 µg/L |
| 4 | Norris Lake | A | 3.55m | 15 µg/L |
| 5 | North Twin Lake | B | 2.6m | 17 µg/L |
| 6 | Bass Lake | B | 4.27m | — |
| 7 | Sargent Lake | B | 2.7m | 16 µg/L |
| 8 | Tulaby Lake | B | 2.29m | 23.5 µg/L |
| 9 | Snider Lake | B | 2.6m | 21 µg/L |
| 10 | Little Elbow Lake | B | 2.1m | 21 µg/L |
| 11 | Lone Lake | C | 2.15m | 48.5 µg/L |
| 12 | Roy Lake | C | 1.8m | 24 µg/L |
| 13 | Unnamed Lake | C | 1m | 23 µg/L |
| 14 | Island Lake | C | 1.95m | 30 µg/L |
| 15 | Big Lake | D | 0.65m | 33 µg/L |
| 16 | Unnamed Lake | D | 1m | 60 µg/L |
| 17 | Beaulieu Lake | F | 0.4m | 90 µg/L |