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LakeQuality

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: 720 µg/L. Trophic State Index: 85.

Cleanliness Snapshot

MetricEast Toqua LakeMinnesota avg
Overall GradeFC
Water Clarity (Secchi)1.6 ft
Phosphorus720 µg/L<30 = clean
Trophic State Index85<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 #6 of 9 lakes in Big Stone County by water quality score.