B
Alton Lake
Cook County, MinnesotaLimited Data
Water Quality Grade: B — Good
Good clarity — visible to about 13.5 feet.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.11 m | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #66 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: 2024-08-11
Monitoring stations: 2