How Clean Is Harris Lake?
Harris 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): 14.9 ft. Phosphorus: 12.5 µg/L. Trophic State Index: 39.
Cleanliness Snapshot
| Metric | Harris Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 14.9 ft | — |
| Phosphorus | 12.5 µg/L | <30 = clean |
| Trophic State Index | 39 | <50 = clean |
How does Harris Lake compare?
Harris Lake's grade of B matches or beats the Wisconsin state average of B. It ranks #60 of 103 lakes in Vilas County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.