How Clean Is Manomin Lake?
Manomin 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): 2 ft. Trophic State Index: 67.
Cleanliness Snapshot
| Metric | Manomin Lake | Minnesota avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 2 ft | — |
| Trophic State Index | 67 | <50 = clean |
How does Manomin Lake compare?
Manomin Lake's grade of F falls below the Minnesota state average of C. It ranks #142 of 142 lakes in Lake County by water quality score. Multi-year monitoring data shows water quality is declining based on 4 years of records.