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LakeGrade
A

Square Lake

Washington County, Minnesota

Water Quality Grade: AExcellent

Crystal clear — you can see 17.0 feet down. Phosphorus level: 8 µg/L.

MetricValueGrade
Water Clarity (Secchi Depth)5.18 mA
Phosphorus8 µg/LA
Chlorophyll-a (Algae)No data

County Ranking

Ranked #1 of 31 lakes in Washington County

Data Sources

Data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2024-09-30

Monitoring stations: 2