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LakeGrade
A

Big Ole Lake

Itasca County, Minnesota

Water Quality Grade: AExcellent

Crystal clear — you can see 21.8 feet down. Phosphorus level: 7 µg/L.

MetricValueGrade
Water Clarity (Secchi Depth)6.65 mA
Phosphorus7 µg/LA
Chlorophyll-a (Algae)No data

County Ranking

Ranked #31 of 149 lakes in Itasca County

Data Sources

Data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2021-09-22

Monitoring stations: 1