How Clean Is Oneal Lake?
Oneal Lake is among the cleanest lakes in Wisconsin. It received a water quality grade of A (Excellent) based on EPA monitoring data. Phosphorus: 4.2 µg/L. Chlorophyll-a (algae): 6.6 µg/L. Trophic State Index: 37.
Cleanliness Snapshot
| Metric | Oneal Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | B |
| Phosphorus | 4.2 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 6.6 µg/L | <10 = clean |
| Trophic State Index | 37 | <50 = clean |
How does Oneal Lake compare?
Oneal Lake's grade of A matches or beats the Wisconsin state average of B. It ranks #8 of 10 lakes in Emmet County by water quality score.