How Clean Is Lake Chetac North Basin?
Lake Chetac North 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. Phosphorus: 56.7 µg/L. Trophic State Index: 62.
Cleanliness Snapshot
| Metric | Lake Chetac North Basin | Wisconsin avg |
|---|---|---|
| Overall Grade | C | B |
| Phosphorus | 56.7 µg/L | <30 = clean |
| Trophic State Index | 62 | <50 = clean |
How does Lake Chetac North Basin compare?
Lake Chetac North Basin's grade of C falls below the Wisconsin state average of B. It ranks #49 of 52 lakes in Sawyer County by water quality score. Multi-year monitoring data shows water quality is stable based on 5 years of records.