How Clean Is Bardon Lake?
Bardon 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): 88.6 ft. Phosphorus: 9.4 µg/L. Trophic State Index: 24.
Cleanliness Snapshot
| Metric | Bardon Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | B |
| Water Clarity (Secchi) | 88.6 ft | — |
| Phosphorus | 9.4 µg/L | <30 = clean |
| Trophic State Index | 24 | <50 = clean |
How does Bardon Lake compare?
Bardon Lake's grade of A matches or beats the Wisconsin state average of B. It ranks #10 of 40 lakes in Douglas County by water quality score. Multi-year monitoring data shows water quality is improving based on 7 years of records.