How Clean Is Green Lake East Basin?
Green Lake East Basin 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): 11.8 ft. Phosphorus: 41 µg/L. Trophic State Index: 50.
Cleanliness Snapshot
| Metric | Green Lake East Basin | Wisconsin avg |
|---|---|---|
| Overall Grade | C | B |
| Water Clarity (Secchi) | 11.8 ft | — |
| Phosphorus | 41 µg/L | <30 = clean |
| Trophic State Index | 50 | <50 = clean |
How does Green Lake East Basin compare?
Green Lake East Basin's grade of C falls below the Wisconsin state average of B. It ranks #3 of 7 lakes in Green Lake County by water quality score. Multi-year monitoring data shows water quality is improving based on 7 years of records.