How Clean Is Pine Lake?
Pine 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): 4.8 ft. Phosphorus: 31.8 µg/L. Trophic State Index: 54.
Cleanliness Snapshot
| Metric | Pine Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | B |
| Water Clarity (Secchi) | 4.8 ft | — |
| Phosphorus | 31.8 µg/L | <30 = clean |
| Trophic State Index | 54 | <50 = clean |
How does Pine Lake compare?
Pine Lake's grade of C falls below the Wisconsin state average of B. It ranks #20 of 23 lakes in Forest County by water quality score. Multi-year monitoring data shows water quality is declining based on 2 years of records.