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LakeGrade
A

Round Lake

Cook County, Minnesota

Water Quality Grade: AExcellent

Crystal clear — you can see 16.5 feet down. Phosphorus level: 8.5 µg/L.

MetricValueGrade
Water Clarity (Secchi Depth)5.03 mA
Phosphorus8.5 µg/LA
Chlorophyll-a (Algae)No data

County Ranking

Ranked #4 of 144 lakes in Cook County

Data Sources

Data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2024-10-18

Monitoring stations: 2