How Clean Is King Lake?
King 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): 0.6 ft. Phosphorus: 186 µg/L. Chlorophyll-a (algae): 39.2 µg/L. Trophic State Index: 77.
Cleanliness Snapshot
| Metric | King Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 0.6 ft | — |
| Phosphorus | 186 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 39.2 µg/L | <10 = clean |
| Trophic State Index | 77 | <50 = clean |
How does King Lake compare?
King Lake's grade of F falls below the Wisconsin state average of C. It ranks #5 of 6 lakes in DeKalb County by water quality score.