How Clean Is Chippewa Flowage Lake?
Chippewa 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): 6.9 ft. Phosphorus: 26 µg/L. Chlorophyll-a (algae): 7 µg/L. Trophic State Index: 50.
Cleanliness Snapshot
| Metric | Chippewa Flowage Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | B |
| Water Clarity (Secchi) | 6.9 ft | — |
| Phosphorus | 26 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 7 µg/L | <10 = clean |
| Trophic State Index | 50 | <50 = clean |
How does Chippewa Flowage Lake compare?
Chippewa Flowage Lake's grade of C falls below the Wisconsin state average of B. It ranks #33 of 45 lakes in Sawyer County by water quality score. Multi-year monitoring data shows water quality is improving based on 4 years of records.