C
Lake Mallalieu -
Rusk County, Wisconsin
Water Quality Grade: C — Fair
Moderate clarity — visible to about 9.0 feet. Phosphorus level: 54.4 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.75 m | C |
| Phosphorus | 54.4 µg/L | C |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #6 of 9 lakes in Rusk County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-10-28
Monitoring stations: 1