How Clean Is East Toqua Lake?
East Toqua 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): 1.6 ft. Phosphorus: 703 µg/L. Chlorophyll-a (algae): 33.7 µg/L. Trophic State Index: 78.
Cleanliness Snapshot
| Metric | East Toqua Lake | Minnesota avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 1.6 ft | — |
| Phosphorus | 703 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 33.7 µg/L | <10 = clean |
| Trophic State Index | 78 | <50 = clean |
How does East Toqua Lake compare?
East Toqua Lake's grade of F falls below the Minnesota state average of C. It ranks #2 of 2 lakes in Big Stone County by water quality score.