F
Freeborn County Lake Quality
Minnesota — 4 lakes, average grade F (Very Poor)
All Lakes in Freeborn County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | State Line Lake | D | 1.58m | — |
| 2 | Lower Twin Lake | F | 0.55m | — |
| 3 | Fountain Lake | F | 0.46m | — |
| 4 | Pickeral Lake | F | 0.3m | — |