D
Winona Lake
Winona County, Minnesota
Water Quality Grade: D — Poor
Very murky — less than 2.8 feet of visibility. Phosphorus level: 50 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.85 m | F |
| Phosphorus | 50 µg/L | C |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #1 of 2 lakes in Winona County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2021-09-21
Monitoring stations: 1