How Clean Is Billy Boy Flowage Lake?
Billy Boy Flowage Lake is among the cleanest lakes in Wisconsin. It received a water quality grade of A (Excellent) based on EPA monitoring data. Phosphorus: 15 µg/L. Trophic State Index: 43.
Cleanliness Snapshot
| Metric | Billy Boy Flowage Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | C |
| Phosphorus | 15 µg/L | <30 = clean |
| Trophic State Index | 43 | <50 = clean |
How does Billy Boy Flowage Lake compare?
Billy Boy Flowage Lake's grade of A matches or beats the Wisconsin state average of C. It ranks #7 of 50 lakes in Sawyer County by water quality score. Multi-year monitoring data shows water quality is improving based on 5 years of records.