A
Sturgeon Lake
St. Louis County, Minnesota
Water Quality Grade: A — Excellent
Good clarity — visible to about 13.8 feet. Phosphorus level: 12.5 µg/L.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.2 m | B |
| Phosphorus | 12.5 µg/L | A |
| Chlorophyll-a (Algae) | No data |
County Ranking
Ranked #49 of 198 lakes in St. Louis County
Data Sources
Data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-09-17
Monitoring stations: 1