How Clean Is Lake Noquebay?
Lake Noquebay 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): 7.3 ft. Phosphorus: 19.4 µg/L. Trophic State Index: 48.
Cleanliness Snapshot
| Metric | Lake Noquebay | Wisconsin avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 7.3 ft | — |
| Phosphorus | 19.4 µg/L | <30 = clean |
| Trophic State Index | 48 | <50 = clean |
How does Lake Noquebay compare?
Lake Noquebay's grade of B matches or beats the Wisconsin state average of C. It ranks #11 of 21 lakes in Marinette County by water quality score. Multi-year monitoring data shows water quality is improving based on 4 years of records.