How Clean Is Halsey Lake?
Halsey Lake is among the cleanest lakes in Wisconsin. It received a water quality grade of A (Excellent) based on EPA monitoring data. Water clarity (Secchi depth): 21.3 ft. Phosphorus: 18 µg/L. Trophic State Index: 39.
Cleanliness Snapshot
| Metric | Halsey Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | B |
| Water Clarity (Secchi) | 21.3 ft | — |
| Phosphorus | 18 µg/L | <30 = clean |
| Trophic State Index | 39 | <50 = clean |
How does Halsey Lake compare?
Halsey Lake's grade of A matches or beats the Wisconsin state average of B. It ranks #17 of 39 lakes in Florence County by water quality score. Multi-year monitoring data shows water quality is declining based on 4 years of records.