How Clean Is Lake Forest?
Lake Forest 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): 8.9 ft. Trophic State Index: 46.
Cleanliness Snapshot
| Metric | Lake Forest | Wisconsin avg |
|---|---|---|
| Overall Grade | C | B |
| Water Clarity (Secchi) | 8.9 ft | — |
| Trophic State Index | 46 | <50 = clean |
How does Lake Forest compare?
Lake Forest's grade of C falls below the Wisconsin state average of B. It ranks #9 of 9 lakes in Warren County by water quality score.