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LakeQuality

How Clean Is Ottertrack Lake?

Ottertrack 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): 20.7 ft. Trophic State Index: 33.

Cleanliness Snapshot

MetricOttertrack LakeMinnesota avg
Overall GradeAC
Water Clarity (Secchi)20.7 ft
Trophic State Index33<50 = clean

How does Ottertrack Lake compare?

Ottertrack Lake's grade of A matches or beats the Minnesota state average of C. It ranks #2 of 6 lakes in Unknown County by water quality score. Multi-year monitoring data shows water quality is declining based on 4 years of records.