How Clean Is Harmon Lake?
Harmon 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. Chlorophyll-a (algae): 48.5 µg/L. Trophic State Index: 69.
Cleanliness Snapshot
| Metric | Harmon Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | C |
| Chlorophyll-a (Algae) | 48.5 µg/L | <10 = clean |
| Trophic State Index | 69 | <50 = clean |
How does Harmon Lake compare?
Harmon Lake's grade of F falls below the Wisconsin state average of C. It ranks #4 of 4 lakes in Morton County by water quality score.