How Clean Is Mauvaise Terre Lake?
Mauvaise Terre 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. Phosphorus: 162 µg/L. Trophic State Index: 78.
Cleanliness Snapshot
| Metric | Mauvaise Terre Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | D |
| Phosphorus | 162 µg/L | <30 = clean |
| Trophic State Index | 78 | <50 = clean |
How does Mauvaise Terre Lake compare?
Mauvaise Terre Lake's grade of F falls below the Wisconsin state average of D. It ranks #2 of 2 lakes in Morgan County by water quality score.