How Clean Is Thunder Lake?
Thunder Lake 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): 5 ft. Trophic State Index: 54.
Cleanliness Snapshot
| Metric | Thunder Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 5 ft | — |
| Trophic State Index | 54 | <50 = clean |
How does Thunder Lake compare?
Thunder Lake's grade of D falls below the Wisconsin state average of C. It ranks #104 of 134 lakes in Oneida County by water quality score.