How Clean Is Big Sand Lake?
Big Sand 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): 10.5 ft. Phosphorus: 17 µg/L. Trophic State Index: 44.
Cleanliness Snapshot
| Metric | Big Sand Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 10.5 ft | — |
| Phosphorus | 17 µg/L | <30 = clean |
| Trophic State Index | 44 | <50 = clean |
How does Big Sand Lake compare?
Big Sand Lake's grade of A matches or beats the Wisconsin state average of C. It ranks #8 of 57 lakes in Burnett County by water quality score. Multi-year monitoring data shows water quality is declining based on 4 years of records.