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LakeGrade
F

Big Eau Pleine Reservoir - Lower

Marathon County, Wisconsin

Water Quality Grade: FVery Poor

Very murky — less than 2.1 feet of visibility. Phosphorus level: 93.3 µg/L.

MetricValueGrade
Water Clarity (Secchi Depth)0.65 mF
Phosphorus93.3 µg/LF
Chlorophyll-a (Algae)No data

County Ranking

Ranked #13 of 13 lakes in Marathon County

Data Sources

Data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2022-10-25

Monitoring stations: 1