How Clean Is Whitefish Lake?
Whitefish 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): 25 ft. Phosphorus: 11 µg/L. Trophic State Index: 35.
Cleanliness Snapshot
| Metric | Whitefish Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 25 ft | — |
| Phosphorus | 11 µg/L | <30 = clean |
| Trophic State Index | 35 | <50 = clean |
How does Whitefish Lake compare?
Whitefish Lake's grade of B matches or beats the Wisconsin state average of B. It ranks #1 of 15 lakes in Douglas County by water quality score. Multi-year monitoring data shows water quality is declining based on 7 years of records.