How Clean Is Fawn Lake?
Fawn 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): 3.6 ft. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 10.8 µg/L. Trophic State Index: 55.
Cleanliness Snapshot
| Metric | Fawn Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 3.6 ft | — |
| Phosphorus | 30 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 10.8 µg/L | <10 = clean |
| Trophic State Index | 55 | <50 = clean |
How does Fawn Lake compare?
Fawn Lake's grade of C matches or beats the Wisconsin state average of C. It ranks #3 of 5 lakes in Franklin County by water quality score.