How Clean Is Clear Lake?
Clear Lake is among the cleanest lakes in Wisconsin. It received a water quality grade of A (Excellent) based on EPA monitoring data. Phosphorus: 10.8 µg/L. Trophic State Index: 38.
Cleanliness Snapshot
| Metric | Clear Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | B |
| Phosphorus | 10.8 µg/L | <30 = clean |
| Trophic State Index | 38 | <50 = clean |
How does Clear Lake compare?
Clear Lake's grade of A matches or beats the Wisconsin state average of B. It ranks #17 of 140 lakes in Oneida County by water quality score. Multi-year monitoring data shows water quality is improving based on 2 years of records.