How Clean Is Harris Lake?
Harris Lake is among the cleanest lakes in Wisconsin. It received a water quality grade of A (Excellent) based on EPA monitoring data. Water clarity (Secchi depth): 14.9 ft. Phosphorus: 12.3 µg/L. Trophic State Index: 39.
Cleanliness Snapshot
| Metric | Harris Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 14.9 ft | — |
| Phosphorus | 12.3 µg/L | <30 = clean |
| Trophic State Index | 39 | <50 = clean |
How does Harris Lake compare?
Harris Lake's grade of A matches or beats the Wisconsin state average of C. It ranks #26 of 191 lakes in Vilas County by water quality score. Multi-year monitoring data shows water quality is stable based on 5 years of records.