A
Lake Superior Pt2
Cook County, Minnesota
Water Quality Grade: A — Excellent
Crystal clear — you can see 27.8 feet down. Phosphorus level: 5.4 µg/L. Chlorophyll-a: 1.3 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.47 m | A |
| Phosphorus | 5.4 µg/L | A |
| Chlorophyll-a (Algae) | 1.3 µg/L | A |
County Ranking
Ranked #28 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: 2024-09-04
Monitoring stations: 2