How Clean Is Marceline Lake?
Marceline 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): 1.9 ft. Phosphorus: 110.9 µg/L. Chlorophyll-a (algae): 25.7 µg/L. Trophic State Index: 67.
Cleanliness Snapshot
| Metric | Marceline Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 1.9 ft | — |
| Phosphorus | 110.9 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 25.7 µg/L | <10 = clean |
| Trophic State Index | 67 | <50 = clean |
How does Marceline Lake compare?
Marceline Lake's grade of F falls below the Wisconsin state average of C. It ranks #4 of 4 lakes in Linn County by water quality score.