D
Onagon Lake
Cook County, MinnesotaLimited Data
Water Quality Grade: D — Poor
Murky — only visible to about 6.0 feet.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.83 m | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #117 of 144 lakes in Cook County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-10-19
Monitoring stations: 1