How Clean Is Gull Lake?
Gull Lake has fair water quality — typical of lakes with moderate nutrient enrichment. It received a water quality grade of C (Fair) based on EPA monitoring data. Water clarity (Secchi depth): 8.5 ft. Trophic State Index: 46.
Cleanliness Snapshot
| Metric | Gull Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 8.5 ft | — |
| Trophic State Index | 46 | <50 = clean |
How does Gull Lake compare?
Gull Lake's grade of C matches or beats the Wisconsin state average of C. It ranks #41 of 47 lakes in Washburn County by water quality score.