How Clean Is Big Moon Lake at?
Big Moon Lake at 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): 10 ft. Phosphorus: 25.7 µg/L. Trophic State Index: 47.
Cleanliness Snapshot
| Metric | Big Moon Lake at | Wisconsin avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 10 ft | — |
| Phosphorus | 25.7 µg/L | <30 = clean |
| Trophic State Index | 47 | <50 = clean |
How does Big Moon Lake at compare?
Big Moon Lake at's grade of B matches or beats the Wisconsin state average of C. It ranks #12 of 37 lakes in Barron County by water quality score. Multi-year monitoring data shows water quality is declining based on 5 years of records.