How Clean Is Chippewa Flowage -Winter Dam Lake?
Chippewa Flowage -Winter Dam 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): 4.4 ft. Phosphorus: 49 µg/L. Chlorophyll-a (algae): 6.4 µg/L. Trophic State Index: 55.
Cleanliness Snapshot
| Metric | Chippewa Flowage -Winter Dam Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 4.4 ft | — |
| Phosphorus | 49 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 6.4 µg/L | <10 = clean |
| Trophic State Index | 55 | <50 = clean |
How does Chippewa Flowage -Winter Dam Lake compare?
Chippewa Flowage -Winter Dam Lake's grade of C matches or beats the Wisconsin state average of C. It ranks #44 of 50 lakes in Sawyer County by water quality score. Multi-year monitoring data shows water quality is improving based on 4 years of records.