How Clean Is East Graham Lake?
East Graham 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): 3.3 ft. Phosphorus: 189 µg/L. Trophic State Index: 70.
Cleanliness Snapshot
| Metric | East Graham Lake | Minnesota avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 3.3 ft | — |
| Phosphorus | 189 µg/L | <30 = clean |
| Trophic State Index | 70 | <50 = clean |
How does East Graham Lake compare?
East Graham Lake's grade of F falls below the Minnesota state average of C. It ranks #6 of 6 lakes in Nobles County by water quality score.