How Clean Is Yellow Lake?
Yellow Lake has fair water quality — typical of lakes with moderate nutrient enrichment. It received a water quality grade of C (Fair) based on EPA monitoring data. Water clarity (Secchi depth): 6 ft. Phosphorus: 26.9 µg/L. Trophic State Index: 51.
Cleanliness Snapshot
| Metric | Yellow Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 6 ft | — |
| Phosphorus | 26.9 µg/L | <30 = clean |
| Trophic State Index | 51 | <50 = clean |
How does Yellow Lake compare?
Yellow Lake's grade of C matches or beats the Wisconsin state average of C. It ranks #44 of 57 lakes in Burnett County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.