B
Lake Mendota - Central
Dane County, Wisconsin
Water Quality Grade: B — Good
Crystal clear — you can see 18.0 feet down. Phosphorus level: 50.2 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.5 m | A |
| Phosphorus | 50.2 µg/L | C |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #4 of 28 lakes in Dane County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-11-13
Monitoring stations: 1