How Clean Is Elmwood Lake?
Elmwood 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): 2.7 ft. Phosphorus: 70.8 µg/L. Chlorophyll-a (algae): 35.2 µg/L. Trophic State Index: 65.
Cleanliness Snapshot
| Metric | Elmwood Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 2.7 ft | — |
| Phosphorus | 70.8 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 35.2 µg/L | <10 = clean |
| Trophic State Index | 65 | <50 = clean |
How does Elmwood Lake compare?
Elmwood Lake's grade of F falls below the Wisconsin state average of C. It ranks #2 of 2 lakes in Sullivan County by water quality score.