How Clean Is Thread Lake Central Basin?
Thread Lake Central Basin 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): 1.8 ft. Chlorophyll-a (algae): 7.6 µg/L. Trophic State Index: 60.
Cleanliness Snapshot
| Metric | Thread Lake Central Basin | Wisconsin avg |
|---|---|---|
| Overall Grade | C | B |
| Water Clarity (Secchi) | 1.8 ft | — |
| Chlorophyll-a (Algae) | 7.6 µg/L | <10 = clean |
| Trophic State Index | 60 | <50 = clean |
How does Thread Lake Central Basin compare?
Thread Lake Central Basin's grade of C falls below the Wisconsin state average of B. It ranks #7 of 9 lakes in Genesee County by water quality score.