How Clean Is Teal Lake?
Teal 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: 16.5 µg/L. Trophic State Index: 39.
Cleanliness Snapshot
| Metric | Teal Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | B |
| Water Clarity (Secchi) | 21.3 ft | — |
| Phosphorus | 16.5 µg/L | <30 = clean |
| Trophic State Index | 39 | <50 = clean |
How does Teal Lake compare?
Teal Lake's grade of A matches or beats the Wisconsin state average of B. It ranks #23 of 52 lakes in Sawyer County by water quality score. Multi-year monitoring data shows water quality is improving based on 7 years of records.