How Clean Is Ballard Lake?
Ballard 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): 49.2 ft. Phosphorus: 15.5 µg/L. Trophic State Index: 32.
Cleanliness Snapshot
| Metric | Ballard Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | B |
| Water Clarity (Secchi) | 49.2 ft | — |
| Phosphorus | 15.5 µg/L | <30 = clean |
| Trophic State Index | 32 | <50 = clean |
How does Ballard Lake compare?
Ballard Lake's grade of A matches or beats the Wisconsin state average of B. It ranks #12 of 202 lakes in Vilas County by water quality score. Multi-year monitoring data shows water quality is improving based on 7 years of records.