B
Lake Kegonsa -
Dane County, Wisconsin
Water Quality Grade: B — Good
Good clarity — visible to about 12.3 feet. Phosphorus level: 59.5 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.75 m | B |
| Phosphorus | 59.5 µg/L | C |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #8 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: 2025-11-07
Monitoring stations: 1