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LakeGrade
B

Black Lake

Beltrami County, Minnesota

Water Quality Grade: BGood

Good clarity — visible to about 10.5 feet. Phosphorus level: 22 µg/L.

MetricValueGrade
Water Clarity (Secchi Depth)3.2 mB
Phosphorus22 µg/LB
Chlorophyll-a (Algae)No data

County Ranking

Ranked #56 of 87 lakes in Beltrami County

Data Sources

Data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2024-09-16

Monitoring stations: 2