How Clean Is Thread Lake?
Thread Lake has very poor water quality and a high algae bloom risk. It received a water quality grade of F (Very Poor) based on EPA monitoring data. Water clarity (Secchi depth): 1.8 ft. Trophic State Index: 69.
Cleanliness Snapshot
| Metric | Thread Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | B |
| Water Clarity (Secchi) | 1.8 ft | — |
| Trophic State Index | 69 | <50 = clean |
How does Thread Lake compare?
Thread Lake's grade of F falls below the Wisconsin state average of B. It ranks #9 of 9 lakes in Genesee County by water quality score.