How Clean Is Otisco Lake?
Otisco 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): 5.2 ft. Trophic State Index: 53.
Cleanliness Snapshot
| Metric | Otisco Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | B |
| Water Clarity (Secchi) | 5.2 ft | — |
| Trophic State Index | 53 | <50 = clean |
How does Otisco Lake compare?
Otisco Lake's grade of D falls below the Wisconsin state average of B. It ranks #3 of 4 lakes in Onondaga County by water quality score.