How Clean Is Raccoon Lake?
Raccoon 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): 1.2 ft. Phosphorus: 202.5 µg/L. Trophic State Index: 78.
Cleanliness Snapshot
| Metric | Raccoon Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | D |
| Water Clarity (Secchi) | 1.2 ft | — |
| Phosphorus | 202.5 µg/L | <30 = clean |
| Trophic State Index | 78 | <50 = clean |
How does Raccoon Lake compare?
Raccoon Lake's grade of F falls below the Wisconsin state average of D. It ranks #5 of 6 lakes in Marion County by water quality score.