C
Milwaukee Harbor Lake
Milwaukee County, Wisconsin
Water Quality Grade: C — Fair
Moderate clarity — visible to about 7.5 feet. Chlorophyll-a: 26 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 m | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 26 µg/L | D |
Location
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County Ranking
Ranked #11 of 15 lakes in Milwaukee County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-11-05
Monitoring stations: 1