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LakeGrade
A

Lake Dorothy-

Iron County, Wisconsin

Water Quality Grade: AExcellent

Crystal clear — you can see 25.8 feet down. Phosphorus level: 16.9 µg/L.

MetricValueGrade
Water Clarity (Secchi Depth)7.87 mA
Phosphorus16.9 µg/LA
Chlorophyll-a (Algae)No data

County Ranking

Ranked #33 of 50 lakes in Iron County

Data Sources

Data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2022-08-31

Monitoring stations: 1