How Clean Is Phillips Lake?
Phillips Lake 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. Water clarity (Secchi depth): 2.8 ft. Phosphorus: 35.5 µg/L. Chlorophyll-a (algae): 8.8 µg/L. Trophic State Index: 57.
Cleanliness Snapshot
| Metric | Phillips Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 2.8 ft | — |
| Phosphorus | 35.5 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 8.8 µg/L | <10 = clean |
| Trophic State Index | 57 | <50 = clean |
How does Phillips Lake compare?
Phillips Lake's grade of C matches or beats the Wisconsin state average of C. It ranks #4 of 12 lakes in Boone County by water quality score.