How Clean Is Lake of the Oaks?
Lake of the Oaks has fair water quality — typical of lakes with moderate nutrient enrichment. It received a water quality grade of C (Fair) based on EPA monitoring data. Phosphorus: 47 µg/L. Trophic State Index: 60.
Cleanliness Snapshot
| Metric | Lake of the Oaks | Wisconsin avg |
|---|---|---|
| Overall Grade | C | C |
| Phosphorus | 47 µg/L | <30 = clean |
| Trophic State Index | 60 | <50 = clean |
How does Lake of the Oaks compare?
Lake of the Oaks's grade of C matches or beats the Wisconsin state average of C. It ranks #2 of 2 lakes in Clark County by water quality score.