How Clean Is Lake 35?
Lake 35 has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Water clarity (Secchi depth): 2.7 ft. Chlorophyll-a (algae): 24.5 µg/L. Trophic State Index: 62.
Cleanliness Snapshot
| Metric | Lake 35 | Wisconsin avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 2.7 ft | — |
| Chlorophyll-a (Algae) | 24.5 µg/L | <10 = clean |
| Trophic State Index | 62 | <50 = clean |
How does Lake 35 compare?
Lake 35's grade of D falls below the Wisconsin state average of C. It ranks #8 of 11 lakes in St. Charles County by water quality score.