B
St. Croix County Lake Quality
Wisconsin — 7 lakes, average grade B (Good)
All Lakes in St. Croix County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Richter Lake - | A | 10m | 15 µg/L |
| 2 | South Harper Lake - | A | 6.75m | — |
| 3 | Lake Esadore - | B | 4.5m | 22.3 µg/L |
| 4 | Sackett Lake - | B | 3.5m | — |
| 5 | Cranberry Lake- | C | 2.05m | — |
| 6 | Spirit Lake - | C | 3m | 88.1 µg/L |
| 7 | Chequamegon Waters Flowage - Deep Hole Lake | D | 2.5m | 91.3 µg/L |