D
Unnamed Lake
Polk County, Minnesota
Water Quality Grade: D — Poor
Moderate clarity — visible to about 6.9 feet. Phosphorus level: 95 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.1 m | C |
| Phosphorus | 95 µg/L | F |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #14 of 22 lakes in Polk County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-08-08
Monitoring stations: 1