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LakeQuality

How Clean Is Elbow Lake?

Elbow Lake is a clean lake by Minnesota standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 3.7 ft. Phosphorus: 19 µg/L. Trophic State Index: 52.

Cleanliness Snapshot

MetricElbow LakeMinnesota avg
Overall GradeBC
Water Clarity (Secchi)3.7 ft
Phosphorus19 µg/L<30 = clean
Trophic State Index52<50 = clean

How does Elbow Lake compare?

Elbow Lake's grade of B matches or beats the Minnesota state average of C. It ranks #69 of 128 lakes in Cook County by water quality score. Multi-year monitoring data shows water quality is declining based on 2 years of records.