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LakeGrade
A

Saint Croix Flowage - the Narrows Lake

Douglas County, Wisconsin

Water Quality Grade: AExcellent

Crystal clear — you can see 23.0 feet down. Phosphorus level: 23.8 µg/L.

MetricValueGrade
Water Clarity (Secchi Depth)7 mA
Phosphorus23.8 µg/LB
Chlorophyll-a (Algae)No data

County Ranking

Ranked #43 of 70 lakes in Douglas County

Data Sources

Data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2020-09-14

Monitoring stations: 1