How Clean Is Minong Flowage Lake?
Minong Flowage 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): 3.5 ft. Phosphorus: 37.2 µg/L. Trophic State Index: 58.
Cleanliness Snapshot
| Metric | Minong Flowage Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 3.5 ft | — |
| Phosphorus | 37.2 µg/L | <30 = clean |
| Trophic State Index | 58 | <50 = clean |
How does Minong Flowage Lake compare?
Minong Flowage Lake's grade of C matches or beats the Wisconsin state average of C. It ranks #44 of 47 lakes in Washburn County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.