Skip to main content
LakeGrade
A

Lake Superior Ngl20_wi

Bayfield County, Wisconsin

Water Quality Grade: AExcellent

Crystal clear — you can see 62.0 feet down. Phosphorus level: 2.8 µg/L.

MetricValueGrade
Water Clarity (Secchi Depth)18.9 mA
Phosphorus2.8 µg/LA
Chlorophyll-a (Algae)No data

County Ranking

Ranked #45 of 93 lakes in Bayfield County

Data Sources

Data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2021-07-15

Monitoring stations: 1