How Clean Is Chippewa Flowage Lake?
Chippewa Flowage Lake 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): 23.6 ft. Phosphorus: 29 µg/L. Chlorophyll-a (algae): 6.7 µg/L. Trophic State Index: 45.
Cleanliness Snapshot
| Metric | Chippewa Flowage Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 23.6 ft | — |
| Phosphorus | 29 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 6.7 µg/L | <10 = clean |
| Trophic State Index | 45 | <50 = clean |
How does Chippewa Flowage Lake compare?
Chippewa Flowage Lake's grade of B matches or beats the Wisconsin state average of B. It ranks #39 of 52 lakes in Sawyer County by water quality score. Multi-year monitoring data shows water quality is declining based on 5 years of records.