F
Yellowstone Lake
Lafayette County, WisconsinLimited Data
Water Quality Grade: F — Very Poor
No clarity data. Phosphorus level: 150 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 150 µg/L | F |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #5 of 5 lakes in Lafayette County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2025-09-09
Monitoring stations: 1