How Clean Is Perch Lake?
Perch 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): 3.3 ft. Trophic State Index: 60.
Cleanliness Snapshot
| Metric | Perch Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | B |
| Water Clarity (Secchi) | 3.3 ft | — |
| Trophic State Index | 60 | <50 = clean |
How does Perch Lake compare?
Perch Lake's grade of F falls below the Wisconsin state average of B. It ranks #6 of 7 lakes in Hillsdale County by water quality score.