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LakeQuality

How Clean Is Hennepin Lake?

Hennepin Lake is among the cleanest lakes in Minnesota. It received a water quality grade of A (Excellent) based on EPA monitoring data. Water clarity (Secchi depth): 10 ft. Phosphorus: 16 µg/L. Trophic State Index: 44.

Cleanliness Snapshot

MetricHennepin LakeMinnesota avg
Overall GradeAC
Water Clarity (Secchi)10 ft
Phosphorus16 µg/L<30 = clean
Trophic State Index44<50 = clean

How does Hennepin Lake compare?

Hennepin Lake's grade of A matches or beats the Minnesota state average of C. It ranks #51 of 77 lakes in Hubbard County by water quality score.