D
Polly Lake
Lake County, MinnesotaLimited Data
Water Quality Grade: D — Poor
Murky — only visible to about 4.5 feet.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.37 m | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #155 of 171 lakes in Lake County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-08-03
Monitoring stations: 3