How Clean Is Lake Luna?
Lake Luna 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: 192.9 µg/L. Chlorophyll-a (algae): 92.7 µg/L. Trophic State Index: 77.
Cleanliness Snapshot
| Metric | Lake Luna | Wisconsin avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 1.2 ft | — |
| Phosphorus | 192.9 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 92.7 µg/L | <10 = clean |
| Trophic State Index | 77 | <50 = clean |
How does Lake Luna compare?
Lake Luna's grade of F falls below the Wisconsin state average of C. It ranks #4 of 5 lakes in Cass County by water quality score.