How Clean Is Whitefish Lake?
Whitefish 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): 43.3 ft. Phosphorus: 13.6 µg/L. Chlorophyll-a (algae): 1.8 µg/L. Trophic State Index: 34.
Cleanliness Snapshot
| Metric | Whitefish Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | B |
| Water Clarity (Secchi) | 43.3 ft | — |
| Phosphorus | 13.6 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 1.8 µg/L | <10 = clean |
| Trophic State Index | 34 | <50 = clean |
How does Whitefish Lake compare?
Whitefish Lake's grade of A matches or beats the Wisconsin state average of B. It ranks #15 of 52 lakes in Sawyer County by water quality score. Multi-year monitoring data shows water quality is improving based on 7 years of records.