How Clean Is Willow Lake?
Willow Lake is a clean lake by Wisconsin standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 13.1 ft. Trophic State Index: 40.
Cleanliness Snapshot
| Metric | Willow Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 13.1 ft | — |
| Trophic State Index | 40 | <50 = clean |
How does Willow Lake compare?
Willow Lake's grade of B matches or beats the Wisconsin state average of B. It ranks #111 of 140 lakes in Oneida County by water quality score.