How Clean Is Okabena Lake?
Okabena 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: 166.5 µg/L. Trophic State Index: 69.
Cleanliness Snapshot
| Metric | Okabena Lake | Minnesota avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 3.3 ft | — |
| Phosphorus | 166.5 µg/L | <30 = clean |
| Trophic State Index | 69 | <50 = clean |
How does Okabena Lake compare?
Okabena Lake's grade of F falls below the Minnesota state average of C. It ranks #2 of 4 lakes in Nobles County by water quality score.